Brotoro
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Posts posted by Brotoro
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Or maybe there's some gunk on the lens of that camera.
Liftoff!
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Odd looking sky
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41 minutes ago, sevenperforce said:
I think they will do a full heat load by using a higher apogee and just keeping the perigee around 30 km.
Starship: The biggest Intercontinental Ballistic Missile ever.
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I doubt they'd bring used fuel rods down to Earth. Too much radioactive decay products in them that you wouldn't want to get loose in a reentry accident. Better to keep them in space until you get reprocessing facilities in orbit or on the Moon.
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9 hours ago, kerbiloid said:
According to wiki, it has an RTG with 4.8 kg of Pu onboard.
Probably, with no protection.What is the safe distance of it, or how long can stay a human close to it before they have to replace him with the next one?
I.e. is the thing on the photo an equivalent of Chernobyl tractor?
The Pu 238 decay chain has alpha and beta decays down to lead 206. Alpha and beta particles are easily shielded. On the surface of Mars, I would worry much more about radiation exposure due to cosmic rays, given the very thin atmosphere. To reduce my radiation exposure, I would sleep underneath the RTGs of the rover.
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It was weird yesterday when my News app popped up a story about a Falcon 9 landing failure. Whaaaat?? Oh...it was an article from 2016. Weird. But it was interesting to see how the article was going on about all the problems SpaceX was having landing the Falcon 9 booster, and how they might not get it to work reliably. Haha.
7 minutes ago, Scotius said:Wow. Perfect coverage of the landing! It's funny how the barge lost signal, while landing rocket did not
They should rename it Of Course I Still Lose Your Signal.
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SECO and good orbit
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Beautiful camera view of landing
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Big blue area for landing.
Landing successful!
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Sooty fairing.
Liftoff.
Nice onboard view of pad 39A
MECO and good stage 2
Entry burn burning
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I'm glad we got the answer to the question of where SpaceX will be targeting their first SuperHeavy/Starship orbital test... but the thought of dropping 28 Raptors into the drink makes me sad.
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Is the FAA going to allow SpaceX to try reentering prototype Starships over land? Can SpaceX satisfy the FAA that they won't be spreading debris (including some heavy pieces like Raptor engines an header tanks) across Texas? Or that they can reliably predict where the untested ship will even come down if it stays in one piece? Will they make them put the first one down out in Kwajalein atoll or some other spot in the big open ocean? Does SpaceX have a recovery ship capable of handling a Starship landing? I presume the converted oil rigs aren't far enough out to prevent spreading debris over Texas if the Starship fails early in reentry, yes?
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12 minutes ago, kerbiloid said:
So, they failed the explosion.
Looks like it. Now we wait to see if they can fail at burning up during reentry.
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The video was frozen during the engine re-light. They could have lit three, and already turned one off by the time the video unfroze. Same with landing... did they land on two engines, or did the turn one off right near the end. I can't tell because the video is frozen there.
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It has outlived SN10’s post landing lifetime.
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Fire out? Brotoro is dancing!
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This is not a proper way to vet methane. Although I guess it's more environmentally friendly.
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Go out, you fires!
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Little tail fires
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Do good, SN15!
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Why don’t they show the ground track or something more interesting than a view of mission control?
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4 hours ago, tater said:
$99 to get in line, refundable.
Was put on hold with stupid centurylink. Every time there is construction around here they screw up the lines. I think someone left one of their boxes open down the hill and it got wet. We don't have cable here, either.
I have also now sent them $99. We’ll see how it goes. I’m fine with helping pay for rocket development...and getting speedy Internet. But it wouldn’t become my only Internet connection until it gets full coverage.
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They make you pay before they are ready to ship to you?
SpaceX Discussion Thread
in Science & Spaceflight
Posted
Second stage good