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Ashvin
  • Member for 1 year, 10 months
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  • India
71 votes
2 answers
7k views

Can a human land on Deimos using pressurized deodorant cans?

15 votes
2 answers
2k views

Till what altitude above earth sounds can be heard?

12 votes
1 answer
1k views

Why was the Atlas V's SRB kept attached for 1 minute after burnout in the OFT-2 mission?

11 votes
1 answer
1k views

Does the Merlin vacuum engine on SpaceX's Falcon 9 gimbal?

11 votes
2 answers
1k views

What are the benefits of supersynchronous transfer orbits?

10 votes
3 answers
2k views

Why do $\text{CH}_4$ (Raptor) engines produce less soot than RP-1 (Merlin) engines?

10 votes
1 answer
357 views

What are the advantages of air lit solid boosters in PSLV XL?

9 votes
0 answers
187 views

Why is the water pumped out of the holding tank a minute before Falcon 9 liftoff?

9 votes
2 answers
2k views

Can a satellite orbit the ISS?

9 votes
1 answer
555 views

Can the space shuttle use OMS engines during landing?

8 votes
1 answer
463 views

What are the disadvantages of pneumatic stage separation systems?

7 votes
1 answer
203 views

Why do rockets coast before secondary payload deployment?

7 votes
1 answer
1k views

What is the terminal velocity of SpaceX Starship?

7 votes
2 answers
1k views

Why does the Falcon 9 use turbopumps as well as helium pressurisation system?

7 votes
4 answers
2k views

How are vacuum optimized engines tested without disintegrating them?

5 votes
1 answer
486 views

Is there any website where we can view live orbit of all satellites to scale?

5 votes
1 answer
315 views

What is the delta v required for insertion to sun-earth L2?

4 votes
0 answers
42 views

What does diiferent colours in orbital path seen in the CRS 21 launch video indicate?

4 votes
1 answer
153 views

Can rocket engines which use hypergolic propellants be augmented with LOX for increased efficiency?

3 votes
1 answer
156 views

Can Falcon 9's engines be ignited more than 4 times if there is enough TEA-TEB?

3 votes
2 answers
193 views

What would have happened if lightning struck the Orion LES instead of the umbilical tower?

3 votes
1 answer
186 views

What would happen during an inflight abort in a Falcon 9 if the booster engines did not shut down?

2 votes
2 answers
283 views

Can the Space Shuttle land on Mars assuming there is a paved surface for landing?

2 votes
0 answers
90 views

Why are fins located on stage 2 of Iranian rocket Zol Janah?

0 votes
0 answers
37 views

How much delta v did the space shuttle use for orbital insertion? [duplicate]

-3 votes
1 answer
112 views

Can starship land back on earth after sending 100 tons to LEO? [closed]