Their suits-similar to divers.
They need to take it with them. There is no oxygen in space
Astronauts bring tanks of oxygen with them when they go into space. The space suits they use to make space walks also have small oxygen tanks on them.
They carry it with them on board.
To breath oxygen.
There is no oxygen in space. Astronauts have to take oxygen with them.
astronauts will need to take air to mars because the atmosphere on the planet cannot contain any oxygen, thus no oxygen to breathe.
Oxygen (O2).
yes. the space suit does protect astronauts for harmful rays from the sun
Some dangers astronauts face are losing oxygen, losing contact with base and crash landing.
Liquid oxygen and liquid hydrogen are used as rocket fuel, oxygen gas is used by the astronauts to breath.
They have oxygen tanks attachted to there backs which have pipes with masks on the end which the astronauts keep on there face.
A suit, a rocket or brought oxygen maybe?