To see if there was life living on mars...All living things need water so if there was water on mars life could exist no matter how small
Astronauts carry water into space because they would die without water. Also their urine is purified and recycled for drinking water.
It would not be good for finding the volume of an object that is less dense than water. Such an object would float and therefore would not displace its full volume worth of water.
acceleration
Three astronauts
Um...astronauts DID land on the moon...
I would suppose that the scientist with the super powered telescopes would discover planets before the astronauts would.
First of all there is gravity on the moon. If there was not astronauts would be floating in space nothing to stand on. Well, the astronauts would know by the first tests on the moon.
we
Which two astronauts are you asking about. Supplying their names would help us answer you.
The correct capitalization would be "Did your astronauts land on the moon?"
OBVIOUSLY
There would only be about an inch of water in a given area.