no.
While on the moon the astronauts lived in their lunar module.
We don't know for sure. The asteroid theory is one example of many theories. Some scientists think one asteroid wasn't enough to kill them all, while others don't think an asteroid killed them at all. We honestly do not know.
astronauts like to exercise while in the ship
Astronauts should and do exercise in freefall
The Apollo astronauts who walked on the lunar surface had visors plated with gold while the other astronauts did not because they wanted to collect the solar particles.
yes
no
Astronauts have to attach themselves to something because they will float around in the spacecraft if they do not.
forget you jackass
They communicated by radio.
Until we can find an asteroid big enough to keep the person on it, We may not see something like this happening for a while.
The Mare are flooded (by volcanic erupted basalt) impact craters. While the interior of the Moon was still hot an molten, asteroid or comets hit the moon and created impact craters. Lava from the Moon's interior then welled up to flood these craters, making the Mare (which means 'seas').