No, it does not mean crashing, it means using the ground to stop.
There's a difference.
Catastrophic or unscheduled lithobraking means crashing.
The three pre-Curiosity Mars rovers used intentional lithobraking as the last step of their deceleration, inflating a bunch of air bags and bouncing to a stop. I think Beagle II did this unsuccessfully as well.
I believe Isaac Arthur, youtube futurist, did a space elevator episode, and if carbon nanotubes turn out to have the kind of tensile strength that the scientific papers think it might, a space elevator would be doable.
But it's also, like. If you're going to do that, build a launch loop or something.
His channel's great. He hit five years' worth of weekly episodes this week.
I enjoy the sense of scope and scale in some of his series; he's basically got me convinced that on timescales-of-stuff-to-do-in-the-universe we're still basically right in the middle of the first instants of the Big Bang.
But yeah, he has a whole series on his channel that's just looking into different ways to get out of gravity wells.
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Zilla36021st Century. |She/Her|Trans* Woman In Aviators Firing A Bazooka. ⚛️Registered Userregular
The term I saw on Twitter was “spaceflight participant” which is certainly a true thing but oddly nonspecific.
I figured someone was paying for him to be there from that, but who?
I'm heartened by the fact that someone can be a big-name industry-changing CEO while managing to, somehow, be a worse public speaker than I am. It gives me hope!
I didn't think the cost differences from switching to that variety of steel were going to be as enormous as mentioned in that talk though. Wow.
That lower stage is nuts. 37 raptor engines? Yeesh.
The first stage of the USSR's N-1 had 30 engines. It was an impressive piece of engineering but was mostly useful for demonstrating the ruggedness of the various components when they went looking for the cause of its four launch failures.
37 engines makes for a lot of points of failure.
Shut up, Mr. Burton! You were not brought upon this world to get it!
I'm a bit disappointed by how PR oriented and low on new details the presentation was, but the new raptor test video and render of what the full stack on the elevated pad will(may) look like was real neat. The sheer size of the thing gives it a surreal qaulity.
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AbsoluteZeroThe new film by Quentin KoopantinoRegistered Userregular
That lower stage is nuts. 37 raptor engines? Yeesh.
The first stage of the USSR's N-1 had 30 engines. It was an impressive piece of engineering but was mostly useful for demonstrating the ruggedness of the various components when they went looking for the cause of its four launch failures.
37 engines makes for a lot of points of failure.
Starship will blow up once or twice. It's nearly certain. It will be spectacular and I hope no one gets hurt. Rocket science is hard.
I'm heartened by the fact that someone can be a big-name industry-changing CEO while managing to, somehow, be a worse public speaker than I am. It gives me hope!
I didn't think the cost differences from switching to that variety of steel were going to be as enormous as mentioned in that talk though. Wow.
What did he say the savings would be?
"I will write your name in the ruin of them. I will paint you across history in the color of their blood."
General Alexey Arkhipovich Leonov passed away at the age of 85. Twice awarded Hero of the USSR and son of a family targeted by the purges at the height of the pre-war Terror, he was one of the first group of cosmonauts, and in 1965 had a number of harrowing close shaves during Voshkod 2 (with Pavel Belyayev) where he performed the first spacewalk. Leonov was intended to command a mission to Salyut 1 in 1971, but the loss of the Soyuz 11 crew, and the problems with the later Salyut space stations, delayed his second space flight until the Apollo-Soyuz in 1975. Afterwards he served as commander of the cosmonaut section, overseeing training and the cosmonaut newspaper, until his retirement in 1992 after the dissolution of the USSR.
I have to say, not knowing anything about his life before now, that I respect Alexey Leonov more having read his capsule biography above, than when I read (and eventually also saw) 2010 in, I want to say middle school?, and thought “wow, Clarke named the successor to Discovery after this dude, he must be a serious badass.”
RIP indeed.
_
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Zilla36021st Century. |She/Her|Trans* Woman In Aviators Firing A Bazooka. ⚛️Registered Userregular
Ninja Snarl PMy helmet is my burden.Ninja Snarl: Gone, but not forgotten.Registered Userregular
Huh, I had no idea that lithium ion batteries were viable for use in space. That's pretty neat! I wonder what kind of efficiencies and lifespan they get, then, assuming they stay fairly cold and don't get superheated by sunlight or something?
Huh, I had no idea that lithium ion batteries were viable for use in space. That's pretty neat! I wonder what kind of efficiencies and lifespan they get, then, assuming they stay fairly cold and don't get superheated by sunlight or something?
I was surprised by this too when I found out they were using li-ion batteries on that flying mars drone project. It turns out as long as you manage the charge and discharge rate in a very insulating near or total vacuum and shield them from the sun, the batteries will stay within their operating temperature.
Seal on
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Zilla36021st Century. |She/Her|Trans* Woman In Aviators Firing A Bazooka. ⚛️Registered Userregular
InSight's drill got stuck earlier this year, which would have severely stunted it's ability to carry out the geophysics experiments that it was sent to Mars to do.
InSight's drill got stuck earlier this year, which would have severely stunted it's ability to carry out the geophysics experiments that it was sent to Mars to do.
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Origin ID: Discgolfer27
Untappd ID: Discgolfer1981
It makes me want to shove these nerds in lockers.
No, it does not mean crashing, it means using the ground to stop.
There's a difference.
Catastrophic or unscheduled lithobraking means crashing.
The three pre-Curiosity Mars rovers used intentional lithobraking as the last step of their deceleration, inflating a bunch of air bags and bouncing to a stop. I think Beagle II did this unsuccessfully as well.
But it's also, like. If you're going to do that, build a launch loop or something.
PSN: ShogunGunshow
Origin: ShogunGunshow
I enjoy the sense of scope and scale in some of his series; he's basically got me convinced that on timescales-of-stuff-to-do-in-the-universe we're still basically right in the middle of the first instants of the Big Bang.
But yeah, he has a whole series on his channel that's just looking into different ways to get out of gravity wells.
Not sure how it's supposed to land like that, but I imagine we'll find out?
PSN: ShogunGunshow
Origin: ShogunGunshow
PSN: ShogunGunshow
Origin: ShogunGunshow
First astronaut from the UAE.
The Monster Baru Cormorant - Seth Dickinson
Steam: Korvalain
The term I saw on Twitter was “spaceflight participant” which is certainly a true thing but oddly nonspecific.
I figured someone was paying for him to be there from that, but who?
Nintendo Network ID: AzraelRose
DropBox invite link - get 500MB extra free.
The Monster Baru Cormorant - Seth Dickinson
Steam: Korvalain
I'm really excited to see this thing fly.
That lower stage is nuts. 37 raptor engines? Yeesh.
PSN: ShogunGunshow
Origin: ShogunGunshow
I didn't think the cost differences from switching to that variety of steel were going to be as enormous as mentioned in that talk though. Wow.
Reality is just finally catching up with 1950s sci fi illustrations.
The first stage of the USSR's N-1 had 30 engines. It was an impressive piece of engineering but was mostly useful for demonstrating the ruggedness of the various components when they went looking for the cause of its four launch failures.
37 engines makes for a lot of points of failure.
Starship will blow up once or twice. It's nearly certain. It will be spectacular and I hope no one gets hurt. Rocket science is hard.
Somewhere the original designer of the old buck rodgers shows is pumping his fist and going see I told you this was what the future looked like.
What did he say the savings would be?
The Monster Baru Cormorant - Seth Dickinson
Steam: Korvalain
Stainless steel is like $3.
PSN: ShogunGunshow
Origin: ShogunGunshow
It also opens the door for a future humanity to be freed via impaling merciless rulers on the ends of pointy-tipped rocket ships.
Steel also means they can probably get by with non-ablative heat shields. It's much better at both cryogenic prelaunch and high re-entry temperatures.
RIP indeed.
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I was surprised by this too when I found out they were using li-ion batteries on that flying mars drone project. It turns out as long as you manage the charge and discharge rate in a very insulating near or total vacuum and shield them from the sun, the batteries will stay within their operating temperature.
But... Good news!:
Man, I keep expecting that they would have started getting that data back by now. What has it been doing so far?
The Monster Baru Cormorant - Seth Dickinson
Steam: Korvalain