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James Webb Space Telescope launch [video]
- TheWoodsy 5y agoSeems I cant get a stable stream in AU from this link. (youtube stream) Twitch works though https://www.twitch.tv/nasa https://www.twitch.tv/nasa
- smarx007 5y agoThanks to this I realized Youtube website is purposefully breaking the picture-in-picture playback on a phone.
- jpindar 5y agoYeah, that's annoying. But there's another app, YouTube Vanced, that works.
- nabla9 5y ago29 days until it reaches L2. 180 days (6 months) until it starts working
- incompatible 5y agoAlso on NASA TV: https://www.youtube.com/watch?v=21X5lGlDOfg https://www.youtube.com/watch?v=21X5lGlDOfg
- qwertox 5y agoWhich has a smaller delay than ESA's stream (~31 seconds). There's also Arianespace's stream which is 6 seconds more current than Nasa's stream. https://www.youtube.com/watch?v=J70xqApTUow https://www.youtube.com/watch?v=J70xqApTUow
- deleted 5y ago[deleted]
- cycomanic 5y agoWatching the NASA stream I find it amazing that they as a science organisation are still using non scientific units. All this talk about miles, miles per hour etc.
- oliveshell 5y agoI’d imagine that’s for the benefit of the viewing audience more than anything.
- alkonaut 5y agoThe paying viewers, possibly. The vast majority of viewers are surely metric?
- midasuni 5y agoThey rely on funding from the US tax payer, they have to speak in US customary units otherwise they get complaints and then pressure in congress and reduced funding.
- smcleod 5y agoYeah that was pretty surprising. Also at the end of the launch the head of NASA came on quoted the Christian bible and then talked about how the telescope is going to look back into (his) gods creation! I was really taken back by that and a little offended that his religion was brought into such an important scientific event.
- authed 5y ago3...2...1.. : https://www.youtube.com/watch?v=7nT7JGZMbtM&t=1h22m08s https://www.youtube.com/watch?v=7nT7JGZMbtM&t=1h22m08s
- Symbiote 5y agoThe launch is in half an hour, at 12:20 UTC. There are some alternative links (YouTube, French, Spanish) on https://www.esa.int/Science_Exploration/Space_Science/Webb/Webb_flies_Ariane_5_watch_the_launch_live https://www.esa.int/Science_Exploration/Space_Science/Webb/W...
- makeworld 5y agoMain NASA stream is here: https://www.youtube.com/watch?v=7nT7JGZMbtM https://www.youtube.com/watch?v=7nT7JGZMbtM
- r721 5y agoDiscussion: https://news.ycombinator.com/item?id=29682051 https://news.ycombinator.com/item?id=29682051
- 1_player 5y agoWhere is Webb? dashboard: https://jwst.nasa.gov/content/webbLaunch/whereIsWebb.html https://jwst.nasa.gov/content/webbLaunch/whereIsWebb.html
- 0xFFFE 5y agoAlso Japanese Hayabusa2 mission's dashboard. I so admire the elegant design. http://haya2now.jp/en.html http://haya2now.jp/en.html
- belter 5y agoElegant I agree, but a failure in readability. - Nova+Mono is the wrong font for a display like this. - Those characters in very light gray make incredibly difficult to read and contrast specially at the bottom part of the display were they just fade into the dark the blue background. Notice the difference and much better result, with the color choice for characters in the James Webb pages posted above.
- mendigou 5y agoThis is very obviously designed with some nostalgic/artistic intention. Spacecraft operations displays use fonts similar to those and they are perfectly readable (they do use different colors though). It also seems to me that the faded out section at the bottom is like that because none of the stations are online with the spacecraft.
- 0xFFFE 5y agoYes, I agree that readability could have been better.
- fexelein 5y agoCool link thanks
- Grismar 5y agoThanks for the link. No temperature data, that's ominous?
- deleted 5y ago[deleted]
- sydthrowaway 5y agoWhy are Europeans controlling this?
- sofetch 5y agoIt's their launch facility.
- Nicksil 5y agoWhy not?
- sydthrowaway 5y agoI thought it's a NASA project.
- sydthrowaway 5y agoLooks like GDSCC will receive the all important imagery.
- cycomanic 5y agoCongrats to launch team, Webb has just separated from Ariane 5. Perfect ride!
- miohtama 5y agoHow many single points of failure left after getting Webb on its way to L2? :)
- daedalus_f 5y agoA lot less than there was 40 minutes ago ;)
- izacus 5y agoAlso a lot less explosive fuels, shaking and G stress as well :)
- JshWright 5y agoSeveral hundred (mostly related to unfolding stuff)
- jacquesm 5y agoAnd cooling stuff.
- geenew 5y agoSerious question, if the sun shield does fail for some reason, would the telescope still operate but just at reduced sensitivity? Asking to the infrared astronomers out there…
- beerandt 5y agoThink of it as the body of a camera cracking. Some amount of light will leak in and expose the film/sensors. Just depends on how much.
- deleted 5y ago[deleted]
- deleted 5y ago[deleted]
- capableweb 5y agoAnyone know why there seem to have been some sort of politician reading from seemingly the bible (or similar religious textbook) and how that's relevant to a space mission? Seems wildly out of place from the usually grounded NASA and ESA. Edit: The person in question seems to have been Bill Nelson, former United States senator but now NASA administrator, the highest ranked official in NASA. Which makes this whole thing even more weird, should that person strictly be a person of science, not religion? Edit2: Seems stream is over now, here is the exact timestamp for the speech/reading: https://youtu.be/7nT7JGZMbtM?t=7222 https://youtu.be/7nT7JGZMbtM?t=7222
- sschueller 5y agoAlso seems quite nationalistic after what was broadcast before that. As a European quite unappealing.
- mulmen 5y agoIf it’s worth anything I am American and also find it unappealing.
- keewee7 5y ago
- mulmen 5y ago
- syshum 5y agoI am American taxpayer, NOT a Christian or any other popular religion, I would appreciate people allowing others to express their religion as they see fit, That is American... The fact this guy is being blasted because of his religion is not American at all. The freedom from religion atheists are more annoying these days than the evangelicals
- Bayart 5y agoTout est nominal ! See you at Lagrange point L2 !
- rnoorda 5y agoIt's always inspiring to see what can be accomplished by large groups of people working for years and years to create things that have never been made before. And then the elation of success, after years and years of work, delays, and more work. Watching the launch made me feel the wonder of spaceflight I felt as a child- and the holiday timing felt even more perfect.
- melling 5y agoYes, it has been in the works for a long time. “Development began in 1996 for a launch that was initially planned for 2007” “Construction was completed in late 2016, after which an extensive testing phase began” https://en.m.wikipedia.org/wiki/James_Webb_Space_Telescope https://en.m.wikipedia.org/wiki/James_Webb_Space_Telescope While it’s great that it’s finally up, we should re-evaluate why it takes such a long time to develop these projects. The pace of innovation appears to have slowed greatly in recent decades.
- MomoXenosaga 5y agoLet's be honest the James Webb space telescope was not a priority like the Manhattan project or Apollo program was. Innovation happens when there is a threat to civilization or national prestige.
- marcyb5st 5y agoWe are slow because we need to send stuff in orbit and so they need to survive launch and fit into the launcher. That adds 99% of the complexity. If, instead, we would build stuff in orbit it would be much cheaper and faster as you don't need origami like folding, high Gs resistance, and a malfunctioning piece can be replaced easily.
- yardie 5y agoThere is building stuff in orbit and there is learning to build stuff in orbit. We’re still figuring out the later. Microgravity factories and construction have many benefits. We just haven’t figured out the how just yet.
- mabbo 5y agoHard part is done- now for the really scary part. Hundreds of deployment steps will follow. Each one has to go perfectly. If it doesn't, the JWST fails and tens of billions of dollars and 30 years wasted (by some definition of 'waste'). But for every single one of those steps, an incredible amount of work has been done to ensure that it cannot fail. But if any step fails, there's no repair mission possible for at least a decade or more.
- garaetjjte 5y ago>there's no repair mission possible for at least a decade or more. There's no repair mission possible, period. It only has enough fuel to keep orbiting L2 for around 10 years.
- sixQuarks 5y agoYou don't think SpaceX would formulate an attempt to fix it?
- 1_player 5y agoWhy is there this obsession for a private company to be the champion of public science? Am I the only one that hasn't bought SpaceX shares? AFAIK there is the goal for NASA to work on a robotic refueling system, I don't know how official is that, but they have 10 years to come up with something.
- drexlspivey 5y agoSpaceX is not a public company so almost nobody is able to buy shares
- sixQuarks 5y agoUmmm Maybe it’s because SpaceX is able to innovate faster than any government entity?
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- curiousgal 5y agoI have a question seeing how this project has been decades in the making. Wouldn't newer technologies have been discovered in the meantime? Do they still send whatever devices they built years ago? How exactly does it work?
- 1_player 5y ago20 year old technology has had 20 years of testing and improvements, something that a piece of tech invented today doesn't have. The cost of failure is so high you want to succeed at all costs rather than have the most advanced tech money can buy.
- YXNjaGVyZWdlbgo 5y agoThe technology standard is something in between the absolute high tech of the development start which is way ahead of the general consumer parts.
- aidos 5y agoIn our house it was like; they’re launching the Webb! Do you think they’re gutted about working Christmas? No, I think they’re enjoying the best Christmas present ever. Congratulations to all involved.
- sizzzzlerz 5y agoCongratulations to STSI and all the dedicated men and women who've worked so hard and long to make this happen! Through all the setbacks and difficulties, they've overcome them all. Now, let's get some great science!
- cletus 5y agoI got up this morning to watch the launch. I’m used to seeing the pageantry and showmanship of a SpaceX launch and I was left… underwhelmed. Don’t get me wrong: this is a mold-boggling complex device and launch. It’s an amazing technical feat. But YouTube had a 720p stream. There was pretty limited video. After a few seconds it was above the clouds and lost to view so we were just watching animations. Compare this to the first Falcon Heavy Launch. Synchronized booster landings. video from the Launch vehicle and of course Starman in the Tesla. Say what you will about Elon, he can put on a show. Anyway, I really hope the JWST well. There is still a ton to do and a ton that can go wrong in the coming months. The Launch is a massive milestone. Fingers crossed.
- enriquto 5y ago> I was left… underwhelmed What the hell are you talking about. I have seen the launch with my kids and it's been the most awesome thing of the last few years!
- khuey 5y agoSpaceX launch broadcasts have much higher production quality and have video from on-board the rocket after ground tracking loses sight of it which is what the grandparent is referring to.
- mortehu 5y agoIf people are awed, I doubt this is caused by the production value of the video stream though.
- enriquto 5y agoIt is likely that "production value" is negatively correlated with actual value.
- mongol 5y ago> Don’t get me wrong: this is a mold-boggling complex device and launch. It’s an amazing technical feat. > But YouTube had a 720p stream .. This is ridiculous. This telescope is not a show, it is made for science, and they have made the right priorities by not spending on entertainment value.
- m3kw9 5y agoI’m confused as to how they are still able to see back 13 billion years. I thought all the light from the original Big Bang has already passed us.
- baq 5y agoSpace is expanding faster than the speed of light. This means we’ll be able to see the same time in the past, just from further and further away.
- layer8 5y agoThe big bang didn’t happen at any particular location. It happened everywhere all at once. Thus light from the big bang (or rather, what’s currently the cosmic microwave background) will continue passing us for all eternity. (That is, until the EM waves become stretched too long due to cosmological redshift.)
- fnord77 5y agodécollage !
- antod 5y agoThis one snuck up on me. After being long aware of this project and how massively ambitious/difficult/cool it was and how much trouble it was having due to that ambition, subconsciously I must've parked it away as "not going to happen for a while". Time has passed while not paying attention, and it has actually launched. Well done to everyone involved!
- mjsweet 5y agoMy wife is an astrophysicist here in Australia and had been looking forward to this launch for over a decade. She plans on using James Webb and gravitational lensing to observe galaxies at extremely high redshifts. Basically one looks behind single or clusters of closer galaxies for very young galaxies in the early stages of forming, not long after the Big Bang. The gravity well of the closer cluster acts as a giant lense, acting as an additional optical element to the telescope propelling us even further into the distant past. As we watched the launch I asked her what James Web means to astronomy. Her answer? "It will fundamentally change what we know about the universe".
- savant_penguin 5y agoThis is amazingly exciting Would she know about any list of projects that intend to use the new measurements?
- joshspankit 5y agoI look forward to that link being posted on HN (if it exists)
- mjsweet 5y agoDo you mean an observation schedule?
- savant_penguin 5y agoI mean projects that are going to use the data. An observation schedule would be cool too. I was thinking something in the lines of: "We'll test hypothesis y by observing x, that would help us understand whether theory A or B (or neither) is right"
- joshspankit 5y agoAlready 140,000mi from Earth? Impressive!