Cosmology Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

How do u calculate 1 light year?

A

3x10^8 x 365 x 24 x 60 x 60

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2
Q

If a rocket engine is switched off for a short period of time in space what will happen to the probe/engine?

A

It will remain at a constant speed

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3
Q

Difficulties with space travel

A

Money
Fuel
High radiation exposure
Pressure

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