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Questions tagged [rockets]

Questions regarding the boosters or thrusters used to propel man-made objects.

8
votes
1answer
141 views

How are current spacecraft tested for their impact durability?

I imagine the lift-off process itself puts a large amount of stress and strain on the rockets materials. With the amount of debris up in space there is always the risk of rocks to collide with the ...
7
votes
2answers
543 views

Can a projectile fall into a low Earth orbit?

One of the problems with space flight is the speed required to achieve orbit; 17,500 mph. One of the ways I've always thought to achieve this was to launch at a low speed to a very high altitude then ...
16
votes
3answers
2k views

In a cryogenic fuel rocket, at what pressure is the fuel injected into the engine?

The pressure in the Space Shuttle's main engines must be very high to get the vehicle off the ground (with the SRB assist, of course). With such high pressures inside the engine, how do you inject ...
16
votes
6answers
4k views

Methods for propulsion other than rockets for leaving Earth's atmosphere?

Due to the large amount of energy required, the standard method for leaving the Earth's atmosphere is rocket propulsion. Is there any other methods in development that don't involve rockets? E.g. ...
28
votes
4answers
3k views

What will be NASA's successor to the Saturn V rocket?

The Saturn V rockets were the "tallest, heaviest, and most powerful rocket ever brought to operational status and still holds the record for heaviest payload launched and heaviest payload capacity to ...