[HN Gopher] SpaceX launches more Starlink satellites, misses boo... ___________________________________________________________________ SpaceX launches more Starlink satellites, misses booster landing Author : ajaviaad Score : 138 points Date : 2020-02-17 16:51 UTC (6 hours ago) (HTM) web link (techcrunch.com) (TXT) w3m dump (techcrunch.com) | jasoncartwright wrote: | Since when is 32MB of GIFs on a webpage OK? | ancorevard wrote: | Converting GIF to MP4 creates a much better user experience and | lowers file size: ffmpeg -i input.gif -movflags | faststart -pix_fmt yuv420p -vf | "scale=trunc(iw/2)*2:trunc(ih/2)*2" output.mp4 | LeoPanthera wrote: | That makes a basic MPEG-4 video file, you probably want to | specify h.264 by adding these switches: | | -codec:v libx264 -preset slow -crf 23 | | Increase "crf" for a smaller file, decrease it for better | quality. | AnssiH wrote: | FFmpeg defaults to H.264 for .mp4. | [deleted] | krallja wrote: | How did it affect you? I just loaded the page on my three year | old smartphone, and didn't even notice the extra bandwidth or | CPU usage. | dmerrick wrote: | It's pretty annoying for people on devices without unlimited | data | jasoncartwright wrote: | I'm in an AirBnB in the countryside, it saturated the | available bandwidth whilst showing me a bad quality dithered | video at around 1FPS | wilg wrote: | Sounds okay to me. Seems like a minor deal. | krastanov wrote: | The fact that it has terrible color rendering and it is 20x | the size of what would have been a video with proper colors | is very much embarrassing. | Avamander wrote: | It's just wasteful. | zamalek wrote: | That's like 5 coffees worth of bandwidth in some countries, | especially where mobile data is concerned. | kaiwen1 wrote: | OTH, I'm connecting from a ship in the middle of the Pacific | Ocean with metered data. I regret loading that page. | vezycash wrote: | Unlock origin. Go to settings. Look for "Default | Behaviour". Under it, you'll find an option to block media | larger than any size you choose. | | I put 100KB for mine. | | Also, you can install the Firefox extension called Video | Image Block. It's a real data saver. | | Lastly, look up bandwidth hero. Can help compress images on | a server before it gets to you. I'm using free heroku tier | for mine. | jlmorton wrote: | On the plus side, in a couple years you'll have a Starlink | 600mbps spot beam all to yourself. | notatoad wrote: | If i clicked that link on my phone, i would have used up 10% | of my data budget for the month. | 101404 wrote: | Pretty standard on many image boards nowadays. Though usually | they would just call it .gif and it really is a mp4 or webm. | [deleted] | the8472 wrote: | Most chan-style image boards are honest about the file | formats they use, no pretending about webms being gifs. | close04 wrote: | Maybe the URL can be replaced with something more decent than | techcrunch, like Arstechnica: | https://arstechnica.com/science/2020/02/spacex-making- | rocket... | caymanjim wrote: | It's absurd that they embedded long videos as animated GIFs. I | wanted to fast-forward to see the failed landing, but the | "video", being a GIF, couldn't be skipped ahead. | oh_sigh wrote: | I wonder why browsers don't give you the ability to control | gifs, at least by right clicking -> "show advanced controls" | or something like that. | caymanjim wrote: | Not sure why you're being downvoted. I agree, it would be | nice to be able to pause/rewind/fast-forward/speed/slow | animated GIFs. I don't want to encourage this abusive use | of GIFs, but sometimes I want to control even short | animated GIFs, to see individual frames or something. I | have a plugin that disables autoplay, and stops animated | GIFs from looping endlessly, but it'd be nice to pause and | rewind. | hinkley wrote: | Take a look at the network tab for your average site with a | 'hero' at the top. | | Crying can be therapeutic, I am told. | jayd16 wrote: | Any word on when the Starlink service becomes available? | gpm wrote: | From what I've gathered: | | They should have enough satellites in the sky, at the right | positions, to start offering limited service around the start | of July. This is based off of Elon's statement that they need 6 | launches worth of satellites, educated guesses on launch dates, | assuming that satellites need to move into their operational | positions after that 6th launch, and will take the same amount | of time to do so as previous launches. | | They hope to be ready to help out with emergency service | connectivity this hurricane season, which starts roughly | speaking in August. That gives them around a months buffer, | which sounds reasonable. | | They don't seem to yet be making huge moves to get ground | stations up and running, advertising to consumers, etc. This | leads me to believe that the initial service will not be | consumer oriented (probably as they work out the kinks). We | know they're interested in emergency services, and we know the | military is interested, these are likely to be higher paying | and more forgiving customers to start with since they aren't | competing with traditional ISPs at all. For them, somewhat | unreliable service is better than no service. | hadtodoit wrote: | The soft-launch of service this year is only expected to | cover northern Canada and the south of South America. | gpm wrote: | I've seen this simulation of what initial coverage should | look like (ignoring ground stations): | | https://streamable.com/3lbqj | | Southern Canada/Northern US is where I presume they will | actually do testing, but they should be able to provide | reasonable-ish (eyeballing at >80%) uptime across most of | the world provided they can get ground stations. | | They'll continue to launch satellites past the first 6 | launches too, so coverage should dramatically improve by | the end of the year compared to a June or August launch. | 101404 wrote: | Question isn't so much "when" as it is "where". | | For now, the sats will depend on ground stations to signal | relay, until there are enough satellites (few thousand) to have | them communicate between them via laser. | partiallypro wrote: | Supposedly this fall in the US. That is according to people | I've talked to on /r/starlink | Twirrim wrote: | Starlink satellites that are already impacting astronomy. | Yay....? https://www.skyandtelescope.com/astronomy-news/starlink- | sate... | paranoidrobot wrote: | Unfortunately I don't think there's a good way to have a ton of | stuff in space (even if it's not Starlink satellites | specifically), and not to block the view for ground based | astronomy. | | I think that while there's perhaps more difficulty and more | cost - there's probably a lot more advantages to having these | in space. | | No atmospheric interference/absorbtion issues. No ground-based | light interference from nearby cities. No weather or time of | day observing restrictions. No issues with trampling | sacred/sensitive indigenous sites. Able to get very very large | synthetic apertures combining telescopes in earth + lunar | orbit. (Plus sol-earth lagrange points too, I guess) | | Starlink seems to be the first to exploit the drastically | lowered launch costs to launch a lot more stuff into space at | once. | DiogenesKynikos wrote: | It's just unrealistic to propose that astronomers put their | telescopes in space instead. There's no way to put a | telescope with a 30-meter-diameter primary mirror in space. I | don't know how many decades away that capability is, but it's | way beyond our technical capabilities now. | | Large-aperture ground-based telescopes have huge advantages | over space telescopes in many technical areas (and | disadvantages in others). Eliminating them would be a huge | blow to astronomy. | pharke wrote: | > There's no way to put a telescope with a 30-meter- | diameter primary mirror in space... it's way beyond our | technical capabilities now. | | I don't think it's that far off, the primary mirror for | Hubble was 2.4m and the big telescopes you're talking about | are made up of mirror segments around 10m in size. The | Falcon 9's payload fairing is 5.2m diameter and 13m long | and the proposed Starship fairing would be 9m diameter by | 19m high. SpaceX is currently proving they are capable of | sustaining a rapid launch cadence and have already proved | they're capable of docking with the ISS. If someone built a | modular space telescope, they'd be the first ones to call | to get it into orbit for assembly. | | Cost has been a severe bottleneck to getting science into | space for so long that we seem to have become convinced | that it will always be so. These Starlink launches are the | first real steps in proving that it need not be so. | 101404 wrote: | So are cities. | | And? | rleahy22 wrote: | Do we know if SpaceX has taken any steps to address the issue | with Starlink satellites affecting astronomers' view of the night | sky? | https://www.theatlantic.com/science/archive/2020/02/spacex-s... | SiempreViernes wrote: | They've done a bit, enough that the public won't be severely | affected. But as it stands: no, the techbros will simply kill | large parts of ground based astronomy to stream gifs to rural | California. | | Astronomers are not very happy about it | http://astronomersappeal.wordpress.com/2020/01/09/astronomer... | but so far there is mostly resignation that big tech will | indeed destroy the sky. | pharke wrote: | I think everyone making these comments is going to be eating | their words in about 10 years when orbital telescopes are so | cheap and plentiful that even third grade classrooms will be | booking time for observations. | SiempreViernes wrote: | Will you also claim that cheaper transistors will lead to | more compilers? Because that's the sort of thing you just | claimed. | TomMarius wrote: | I'm sure you know rural California is not the only place | without stable and fast internet access. And while that is | one usage that will probably dominate in the developed world, | have you considered the possibilities in Africa, Asia and the | oceans? | SiempreViernes wrote: | Most people that can _afford_ space internet live in | cities, and of the rural ones almost all live in wealthy | countries. | | Rural populations in Africa barely have _electricity_ , the | idea that they could pay for that Musk space internet that | brings salvation is just _obscene_. | jve wrote: | Yes, we know: | https://twitter.com/elonmusk/status/1228598015247536129 | | > @elonmusk: albedo will drop significantly on almost every | successive launch | ForHackernews wrote: | "Funding secured." | bpodgursky wrote: | I don't think TSLA would have a lot of trouble securing | their $420 funding, given the current $800 stock price. | zionic wrote: | Yes: | | 1) Future sats will continue to get progressively lower albedo | | 2) The sats brightness is much higher in their "orbit raising" | phase then their "service" phase. | Slikey wrote: | They are actively working on reducing reflectivity but there | will always be an impact and honestly any effort to improve it | will be well appreciated by me. However, even though I love the | work astronomers do and the view of a clear sky into the stars, | I must say I prefer global Internet availability over making | astronomers clean their data from satelite datapoints. Most | discussions about this leave the goal of Starlink out of the | picture. If this can bring Internet access to every spot on | Earth, the immediate benefit for humanity is clear. | monadic2 wrote: | > However, even though I love the work astronomers do and the | view of a clear sky into the stars, I must say I prefer | global Internet availability over making astronomers clean | their data from satelite datapoints. | | That's great because apparently nobody but SpaceX has any say | in what happens. | dtparr wrote: | Are you unaware of the federal licenses required for these | satellites to be deployed, or do you just mean they were | granted without taking astronomers' wishes into account? | | Edit: This is a sincere question. Several comments on this | story indicate people don't believe there's any regulation | as to what happens in space. | | Edit 2: While I'm editing things, here's the FCC Record for | the original Starlink proposal in case you're curious what | some of the objections brought up during the original | comment period were. | https://docs.fcc.gov/public/attachments/FCC-18-38A1.pdf | Mostly it looks like other satellite operators worried | about interference, orbital debris concerns, and there was | a note about potential impacts on radio astronomy. | Alupis wrote: | > Are you unaware of the federal licenses required for | these satellites to be deployed | | Astronomers are in other countries besides the US... and | these satellites are going to span the globe impacting | everyone everywhere. | izacus wrote: | > If this can bring Internet access to every spot on Earth, | the immediate benefit for humanity is clear. | | In which part of the earth are you missing the internet | coverage so horribly? | stickfigure wrote: | California, about an hour outside of SF. | | The quality of internet service falls off precipitously as | you leave urban city limits. | | It's better than it could be - when we decided to move "to | the country", we almost bought a property where the only | internet option was HughesNet. From all reports, HughesNet | is incredibly expensive and barely usable. A big plus for | the place we landed is that we can get "rural wireless | broadband" - basically a point-to-point wifi signal bounced | off of a solar-powered relay on a hill, to a set of towers | on a faraway ridge, run by a folksy two-man ISP. It's | expensive, unreliable, and slow compared to what I left in | SF. But it's better than HughesNet and there's no data cap. | | I don't know what to expect from Starlink, but I'm hopeful. | Even if it's just a reliable 10Mbit connection I'll be | ecstatic. | markvdb wrote: | I feel for you. Our holiday house is about 30km beyond | the middle of nowhere, but the 4g uplink is reliable. | Plus we have to share it with very very few others... | | If we ever need more, I'll probaby do just like the | folksy two-man ISP you describe... | Mountain_Skies wrote: | Most airlines will end up using it to stream telemetry as a | backup and for areas where primary telemetry communication | channels aren't viable. IIRC, it doesn't work near the | poles but for everywhere else it would be good for knowing | the last position when a flight vanishes. | penagwin wrote: | Something like over 40% of the world's population doesn't | have internet access. | Slikey wrote: | https://en.wikipedia.org/wiki/Global_Internet_usage#/media/ | F... | | More supply drives down prices. Don't even mention current | satelite Internet. Those operate via GSO satelites with | seconds of ping and a way higher pricing considering SpaceX | wants to be competitive with broadband pricing. | nexuist wrote: | Forests, the Arctic, much of Africa, Asia, every ocean? | monk_e_boy wrote: | Vallies. Villages. Beaches.... Has this person never | traveled? | 6nf wrote: | About 90% of Australia too | logosmonkey wrote: | My mom's house in rural Arkansas. I mean basically if you | live outside of a large city you have 1 choice of | internet access and it's usually hot garbage and over | priced. | [deleted] | daedalus_j wrote: | 30 minutes away from Microsoft main campus in Redmond WA, | (and just a bit further away from Google/Amazon campus' in | the area) | | Best available internet is a 3mbit down, 1-if-you're-lucky- | mbit up DSL connection from CenturyLink with latency that | jumps into the 2.5+ _second_ range when it rains hard. | Which, fortunately it never does in the pacific northwest. | :-D | | And no, traditional satellite is a no-go, even if it was an | affordable option. We have these things called "mountains" | you see, and the satellites are only at certain spots in | the sky, sadly occluded by a couple billion tons of rock | and tree. | | To reiterate, this is within commuting distance of "big | tech" HQs. | | Starlink can't come fast enough. Existing ISPs need to feel | the pain of screwing their customers so bad for so long. | semi-extrinsic wrote: | Sounds like a mostly-US problem that would be better | solved by proper regulation of markets. But nah, that'd | be crazy socialism stuff. | skissane wrote: | It is absolutely not a "mostly-US problem". We have the | same problem in Australia. A lot of places only option | was crappy ADSL. Then new (centre-left) government | announced a project (NBN) to install fibre-to-the- | premises (FTTP) to the majority of the population. | Massive, very expensive project, that was going to take a | long time. Quite predictably, the centre-right party | attacked it as costing too much money. Six years later, | the centre-right win election, and thus far only a small | number of lucky people had got their FTTP installed. New | government decides FTTP was too expensive, replaces it | with crappy fibre-to-the-node (FTTN) instead, which slows | to a crawl whenever the node is oversubscribed (happens a | lot due to the growing popularity of video streaming). | And it tells other people that any fixed line solution | was too expensive for them, and forces them on to | wireless or satellite. Some people even got told they | were losing their ADSL and having it replaced with a less | reliable wireless or satellite connection. | NikolaNovak wrote: | ... poor internet bandwidth or accessibility in remote | region... is a "US only problem"?? | | I make it a point to not sound snarky or sarcastic on HN, | we have a pretty good standard of discourse here - but | that just seems a ludicrous statement to make, and I'm | frankly curious what consideration went into it, as | opposed to a knee-jerk reaction? | | I don't think technology will solve all the world's ills; | I agree that regulation of markets is a useful measure to | undertake in certain situations; I don't find "Socialist" | a swear word; but if ever there was a problem with a | technical solution, then accessibility of internet in | remote solution is almost the canonical use-case. | Regulation of markets will not bring the Interwebs to | remote or underdeveloped parts of the world. | | Now... if we want to discuss whether bringing the | Intertubes to all the world is a worthy goal or not; | whether it is worth the compromises and risks a massive | constellation of satellites will impose; sure, that's a | productive tops to examine. But if we accept for sake of | argument that internet in remote or underdeveloped parts | of the world is a goal, I'm curious to see how market | regulation will make that happen better and faster than a | giant freakin' laser... I mean, giant freakin' | constellation of satellites :). | [deleted] | izacus wrote: | Is shoveling so much trash over non-american land actually | legal? | nexuist wrote: | Nobody owns space. | Mountain_Skies wrote: | No one wants to get into a real estate battle in space. At | least not yet. Maybe some day it will make sense to some | nation but right now fighting that battle is a negative sum | game. | NikolaNovak wrote: | First, I don't think space is either American or Non-American | land :) | | Second, I imagine outer space treaty covers this in much | similar way that treaties governing international waters do. | | Third, to a certain degree "satellite trash" is in the eye of | beholder - I don't think there's any more or less legality in | this, than in ISS, TV and comms satellites, GPS, etc all | flying all around the world. | new2628 wrote: | They just follow the uber/airbnb model -- do it quickly | before the regulation catches up and it is too late to fix | the damage. | gpm wrote: | Explicitly so by the outer space treaty. | | Not that these launches are launching trash, or launching | very much in the grand scheme of things either. | ForHackernews wrote: | It's really pretty bad: | https://www.physicsforums.com/threads/the-curse-of-elon-musk... | | At the very least, there should be some kind of international | treaties governing this. The night sky is a common good. | rtsil wrote: | It's a matter of perspective. | | I know people living in remote and even not so remote areas | for whom cheap and easy internet access would literally be a | live changer, and who wouldn't care less about astronomers | having their work more difficult as a consequence, because, | again, it would be a literal life-changing event for them in | terms of personal safety, agriculture, income or education. | SiempreViernes wrote: | Who will pay for that big complicated ball of light streaks | so that the internet will become cheap? | | Is it those rural users currently aren't profitable enough | to supply otherwise? | rtsil wrote: | Based on the prices I've been hearing, yes. $100/month or | less for a GB/s connection shared between dozens of | houses or more. Or an astute entrepreneur will create a | cybercafe or resell it. The small businessmen can also | afford it (since they already have satellite TVs), and | they stand to make the most from it financially. The | possibilities are many. | | And it's not a problem of profitability for some, it's a | problem of availability. Some could afford what their | urban compatriots pay for internet, but that's simply not | possible. | 6nf wrote: | > there should be some kind of international treaties | governing this | | There are | [deleted] | throwaway77384 wrote: | Also discussed here I think: | https://news.ycombinator.com/item?id=22348251 | _Microft wrote: | We have never seen the actual release of the Starlink satellites. | | During every launch the hosts on the stream state that an | unfortunate unexpected loss of signal happened but since the | stream is stable before and after payload separation, this would | be surprising. One might have thought that the vehicle was just | at an unfortunate point in the trajectory where no connection was | actually possible but today's payload separation event was far | earlier and the video cut off anyways. | | It is a bit surprising since the mechanism does not seem that | sophisticated. | 101404 wrote: | Like we never saw the actual landing of the F9 on a droneship | until very recently. I remember being very surprised when the | camera suddenly DIDN'T stop working and you could actually see | the F9 actually land. | modeless wrote: | Vibration. The deployment probably disturbs the telemetry | connection for a second. The same thing used to happen for | landings. The camera would always cut out right as the booster | reached the barge because the vibration interrupted the | telemetry connection temporarily. | dvdbloc wrote: | I thought this was because video was provided by line of sight | antennas and as Starlink satellites are released the 2nd stage | flips end over end while releasing them thus breaking the line | of sight. | nexuist wrote: | I'm guessing it might be censored for national security | reasons. The same mechanism that successfully deploys 60 | satellites could probably also successfully deploy 60 warheads. | Or 60 nefarious spy satellites. | the8472 wrote: | They say it's a simple tension mechanism, nothing fancy. The | attachment of the satellite stack is not even within the | camera's FoV. | | I'm guessing it's just a vibration issue. | hoorayimhelping wrote: | > _The same mechanism that successfully deploys 60 satellites | could probably also successfully deploy 60 warheads_ | | We've had missiles that could do that since 1970. They're | called MIRVs. | | https://en.wikipedia.org/wiki/Multiple_independently_targeta. | .. | gpm wrote: | MIRVs are almost certainly covered by ITAR, so the fact | that they exist doesn't really change anything... | skybrian wrote: | It's a good question about something that is probably not a | coincidence! But immediately moving to speculating about a | conspiracy theory seems like hiding a good question with a | fake answer. | | It seems better to keep it unanswered and remain curious. | gpm wrote: | "Conspiracy theory" is an exaggeration. Lots of things | rocketry related are covered by ITAR and are not allowed | (by law) to be shown to non-green-card holders. SpaceX is | pretty careful to comply with ITAR restrictions. It would | not surprise me in the slightest if the US government had | decided that satellite deployment mechanisms were one of | those things covered, or if SpaceX's legal department | decided that they weren't sure they weren't covered. | DEADBEEFC0FFEE wrote: | If that were true, they would simply say as much. What | possible advantage would there be to offer a bullshit | reason? | | A far more likely reason is that it's technically hard, | and/or not a priority. | gpm wrote: | I tend to agree, but that doesn't mean keeping quiet | about ITAR is "conspiracy theory" level of | ridiculousness. | | Possible advantages could be avoiding looking like they | are putting pressure on the US government to change it, | avoid getting into debates about whether or not ITAR | prohibits it, avoiding looking like they are a workplace | that is heavily bogged down by security clearance issues, | etc. | ColanR wrote: | I don't think it's intellectually honest to label something | as a conspiracy theory and brush it aside without | discussion. | quotemstr wrote: | Is a deployment bus really that complicated? It's what, a | girder with a couple of solenoids or explosive bolts? | 101404 wrote: | If I remember correctly, SpX is one of the few (only) who | doesn't use explosives for their fairing separation or sat | releases. Just some springs, because "they can be tested | before the flight". | ben_w wrote: | Given the nose cone fairings cost $6 million [0], I don't | think _anything_ in space tech can be non-complicated and | useful at the same time. | | [0] If it were literally any other company in space, I | would accuse them of porkbarrelling. SpaceX looks like it | is genuinely concerned with cost, so I don't think that's | happening in this case. | 101404 wrote: | Of all the different parts a ICBM is made of, I doubt that | the warhead release mechanism is the most difficult. | Mountain_Skies wrote: | Maybe there is some secret sauce they don't want known. | angstrom wrote: | Delta = 0 | | Alright guys. The competition will never figure out they need | to stop before the rocket reaches the ground! | 101404 wrote: | I've been watching SpX stuff for so many years now, I am | pretty sure they would just say so if that was the case. | huhtenberg wrote: | ... which is fine and understandable, but they should | _really_ stop with this "oh, we lost a feed" bullshit. It's | obnoxious. | SEJeff wrote: | How many other launch providers before SpaceX even _had_ | feeds of their launches or their payload separations? | | People really should stop complaining about the really cool | thing SpaceX does, but not perfectly. | huhtenberg wrote: | Doing very cool stuff is not a reason enough to be | disrespectful towards your audience. | | During one of the first booster landing attempts a | presenter lady was staring at her monitor, saw the | booster crash and then proceeded to blatantly lie that | the feed was lost... while the jumbotron behind her back | was showing the whole thing in real-time and the audio | picking up the crowd in SpaceX going "Oooooh". | | Then, there are their inane explanations that they keep | losing the feed from the landing platform because the sea | is rippled. The heck. If you are going to lie, come up | with something a bit more plausible. A Plasma ball | interference from the plume or something. Better yet, | just say that we are going to delay the feed by 10 | seconds and we will may withhold any part of it as we | wish. Everyone would be perfectly fine with that. It's | their feed and it's awesome that they share anything. | Just don't BS. There's literally no need to do that. | anotheryou wrote: | you mean the seconds before this?: | | https://youtu.be/vFTg3-40Mfg?t=745 | | https://www.msn.com/en-us/news/technology/spacex-releases-60... | | or for this launch? | _Microft wrote: | Putting Starlink launches on different screens and letting | them run synchronized from the time that the video cuts off: | the confirmation of tension rod release and payload | separation and the video coming back happens almost at the | same time. | | Today: https://youtu.be/8xeX62mLcf8?t=1489 | | January, 29th: https://youtu.be/1KmBDCiL7MU?t=4414 | | January, 6th: https://youtu.be/HwyXo6T7jC4?t=4390 | | November, 11th: https://youtu.be/pIDuv0Ta0XQ?t=4549 | | May, 25th: https://youtu.be/riBaVeDTEWI?t=4579 | shantara wrote: | From my understanding, the second stage starts spinning | just before the release of Starlink satellites to give the | stack the momentum necessary for the clean separation. This | could explain the loss of camera feed. Internal SpaceX | telemetry is likely being transmitted over a separate | channel and remains uninterruptible. | _Microft wrote: | Yes, they spin it to disperse the satellites. The loss of | video depending on the rotation is a good idea and indeed | it looks like the video is failing frequently before the | separation event as well. See | https://youtu.be/HwyXo6T7jC4?t=4286 | deegles wrote: | Any news on the inter-satellite links? | pintxo wrote: | Watched the launch this morning from the Saturn V stands at KSC, | wow! ___________________________________________________________________ (page generated 2020-02-17 23:00 UTC)