/sci/ - Science & Math » Thread #13206991

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Anonymous Sat 29 May 15:23:19 2021 No.13206991 View Reply Original Report

Quoted By: >>13207028 >>13207035 >>13207070 >>13207388 >>13207666 >>13207697 >>13208108 >>13208308

So what changed?

Anonymous

Anonymous Sat 29 May 2021 15:32:40 No.13207028 Report

Quoted By: >>13207867 >>13208308

>>13206991
>So what changed?
he underestimated hollywood set technicians

Anonymous

Anonymous Sat 29 May 2021 15:34:11 No.13207035 Report

Quoted By:

>>13206991
Find us keepers! Found one.

Anonymous

Anonymous Sat 29 May 2021 15:35:22 No.13207038 Report

Quoted By: >>13207042

>So what changed?
They figured out how stupid the idea was?

Anonymous

Anonymous Sat 29 May 2021 15:36:25 No.13207042 Report

Quoted By: >>13207058

>>13207038
180 IQ head of nasa
years of experience in rocketry...

Anonymous

Anonymous Sat 29 May 2021 15:38:31 No.13207050 Report

Quoted By:

You shouldn't be like that i dont believe that a hand of smart people on the moon can build a breakaway civilization and kill us all. :D
That said i think you don't believe me anyway.

Anonymous

Anonymous Sat 29 May 2021 15:40:58 No.13207058 Report

Quoted By:

>>13207042
Did you read your own fucking quote? He's pointing out exactly how impractical the idea is.

Anonymous

Anonymous Sat 29 May 2021 15:44:34 No.13207070 Report

Quoted By: >>13207416 >>13207912

>>13206991
Nothing changed, you just need a better trajectory. By orbiting the earth you can go much farther with less fuel.

A straight line flight would have been retarded, and it still is.

Anonymous

Anonymous Sat 29 May 2021 16:42:45 No.13207388 Report

Quoted By:

>>13206991
isn't the rocket he describes there the Saturn C-8

Anonymous

Anonymous Sat 29 May 2021 16:43:58 No.13207391 Report

Quoted By:

Moon landings never happened. White supremacists will deny it

Anonymous

Anonymous Sat 29 May 2021 16:51:35 No.13207416 Report

Quoted By: >>13207885

>>13207070
Dont you still need to reach 11 km/s?

Anonymous

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Anonymous Sat 29 May 2021 17:50:47 No.13207666 Report

Quoted By: >>13207709

>>13206991
American scientists taught him how to do math and build better rockets

Anonymous

Anonymous Sat 29 May 2021 17:59:39 No.13207697 Report

Quoted By:

>>13206991
Is he talking about SSTO?

Anonymous

Anonymous Sat 29 May 2021 18:01:57 No.13207709 Report

Quoted By: >>13207723 >>13208041

>>13207666
Haven't been on /sci/ in a couple of years. Who's this girl getting spammed?

Anonymous

Anonymous Sat 29 May 2021 18:05:04 No.13207723 Report

Quoted By: >>13207871

>>13207709
A scientist. Show the children.

Anonymous

Anonymous Sat 29 May 2021 18:35:22 No.13207867 Report

Quoted By:

>>13207028
kek but cringe

Anonymous

Anonymous Sat 29 May 2021 18:36:25 No.13207871 Report

Quoted By:

>>13207723
Especially the children of color.

Anonymous

Anonymous Sat 29 May 2021 18:39:53 No.13207885 Report

Quoted By: >>13208090

>>13207416
Yes. That is how orbits work.

Anonymous

Anonymous Sat 29 May 2021 18:48:33 No.13207912 Report

Quoted By: >>13207916

>>13207070
Nothing in von Brauns statement suggests that he isn't referring to a standard translunar injection.

Anonymous

Anonymous Sat 29 May 2021 18:49:45 No.13207916 Report

Quoted By: >>13207920

>>13207912
The "fly directly from the earth to the moon" part suggests this, actually
His quote is completely out of context

Anonymous

Anonymous Sat 29 May 2021 18:51:13 No.13207920 Report

Quoted By: >>13207928

>>13207916
He's referring to a single stage rocket or an airplane-like spacecraft. It's about the necessity of multiple stages.

Anonymous

Anonymous Sat 29 May 2021 18:51:51 No.13207928 Report

Quoted By:

>>13207920
Got it

Anonymous

Anonymous Sat 29 May 2021 19:16:39 No.13208041 Report

Quoted By:

>>13207709
the board has been flooded by poltards who are for some reason obsessed with niggers and can only think about niggers and mention them in every thread

Anonymous

Anonymous Sat 29 May 2021 19:31:46 No.13208090 Report

Quoted By: >>13208143

>>13207885
So what difference does it make if you go straight or doing a loop? You cant gain energy from the gravity well by doing antics

Anonymous

Anonymous Sat 29 May 2021 19:36:31 No.13208108 Report

Quoted By:

>>13206991
In past computer experts believed that RAM measured still in kilobytes was enough for all computers

Anonymous

Anonymous Sat 29 May 2021 19:46:26 No.13208143 Report

Quoted By: >>13208172

>>13208090
The trajectory that includes a "direct" path as opposed to the figure 8 requires much higher kinetic energy. Or von Braun is talking about the necessity of multiple stages. It really is taken completely out of context.

Anonymous

Anonymous Sat 29 May 2021 19:53:02 No.13208172 Report

Quoted By: >>13208180

>>13208143
How is the kinetic energy any different from 11 km/s?

Anonymous

Anonymous Sat 29 May 2021 19:55:11 No.13208180 Report

Quoted By: >>13208181 >>13208322

>>13208172
1) thats a speed and not a kinetic energy
2) thats merely the speed required for circular LEO

Anonymous

Anonymous Sat 29 May 2021 19:55:49 No.13208181 Report

Quoted By: >>13208198 >>13208326

>>13208180
I think that's the speed required for TLI actually, circular LEO is about 7 km/s

Anonymous

Anonymous Sat 29 May 2021 19:59:22 No.13208198 Report

Quoted By: >>13208199

>>13208181
Okay. And a different trajectory will require more dv.

Anonymous

Anonymous Sat 29 May 2021 19:59:48 No.13208199 Report

Quoted By: >>13208252

>>13208198
maybe, I haven't done the math

Anonymous

Anonymous Sat 29 May 2021 20:10:57 No.13208252 Report

Quoted By:

>>13208199
Or less dv. The point is that dv is dependent on trajectory, obviously.

Anonymous

Anonymous Sat 29 May 2021 20:25:05 No.13208308 Report

Quoted By:

>>13206991
They realized they could wait. The entire trip took over 8 days. They spent less than a day on the moon.
Braun probably was talking about a same day or a couple days long trip.

>>13207028
kek

Anonymous

Anonymous Sat 29 May 2021 20:28:47 No.13208322 Report

Quoted By: >>13208434

>>13208180
I know its a speed and i expected people not to pedantically point it out. Informal language and all.
The gravitational field is conservative.
E=mgh+mvv/2

Anonymous

Anonymous Sat 29 May 2021 20:29:55 No.13208326 Report

Quoted By:

>>13208181
But that's not escape velocity. To get to the moon you need it. Or 99% of escape velocity until you get close enough to the moon.

Anonymous

Anonymous Sat 29 May 2021 20:58:34 No.13208434 Report

Quoted By:

>>13208322
>The gravitational field is conservative
Yes. And yet required dv is not trajectory independent.

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