Russell Borogove's user avatar
Russell Borogove's user avatar
Russell Borogove's user avatar
Russell Borogove
  • Member for 10 years, 7 months
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52 votes
1 answer
7k views

Did a Soyuz fly with a Union Jack?

49 votes
1 answer
4k views

Why is there a Saturn V in the background of this Gemini-Titan launch?

32 votes
3 answers
9k views

Has in-space refueling been done?

32 votes
2 answers
4k views

Were cosmonauts equipped with poison pills?

29 votes
5 answers
3k views

Why no parachutes in the Orion AA2 abort test?

25 votes
1 answer
5k views

What makes the Merlin vacuum engine so deeply throttleable?

23 votes
3 answers
4k views

How does SpaceX plan to achieve reusability of the Falcon 9 *second* stage?

23 votes
2 answers
6k views

How intrusive was the Apollo Master Alarm system?

21 votes
2 answers
3k views

Could an Apollo LM land uncrewed?

21 votes
1 answer
628 views

Were any Apollo-13-specific procedures added to standard training?

20 votes
5 answers
2k views

Is atmospheric skimming for propellant feasible?

20 votes
2 answers
26k views

Why is TEA-TEB chemical ignition used instead of spark ignition?

20 votes
1 answer
1k views

What does burnt Aerozine-50/N2O4 smell like?

20 votes
1 answer
2k views

Why were Delta II SRBs asymmetrically mounted?

19 votes
1 answer
3k views

What's falling off the Shenzhou/Long March stack?

18 votes
2 answers
3k views

How fast does Roche limit disintegration proceed?

16 votes
1 answer
1k views

Cause of apparent plume deflection on SES-10?

16 votes
1 answer
804 views

Historically, how risky are first launches of new rockets?

16 votes
4 answers
2k views

Sputnik: What took so long?

16 votes
2 answers
2k views

Apollo altitude vs rate-of-descent schedule

15 votes
1 answer
966 views

How did Goddard's rocket reach 41 feet altitude in under 2.5 seconds?

14 votes
1 answer
1k views

What was the first time a "re-used booster" was used to put a payload into orbit?

13 votes
1 answer
930 views

What were the differences on the LM ascent stage engines on Apollo 9, 10, and 11?

12 votes
1 answer
2k views

How is rocket engine cutoff controlled?

12 votes
1 answer
2k views

Has USSR/Russia launched humans on any rocket not derived from R-7?

12 votes
2 answers
1k views

Are any of these Soyuz controls involved in separating the orbital module?

11 votes
3 answers
984 views

How reliable are pressure fed hypergolic engines?

11 votes
1 answer
922 views

Do Orion's solar panels have adjustable sweep?

10 votes
1 answer
841 views

What does "angle of attack 100%" mean in Apollo abort rules?

10 votes
1 answer
563 views

How precise are spacecraft trajectory measurements?