0 Kilograms since there is no gravity in outer space. Except you are near an another star
The source of light in outer space varies. Light can be reflected off from the stars, moons, comets, asteroids and planets.
Nothing. That is why they call it outer space. the only things that are out there are stars, rocks, planets and light and darkness
yes
because there is not enough light to brighten the who outer space :)) your welcome
Stars
outer space
We can see stars.
We receive light from the Sun, the planets, the stars.
Yes, mirrors do work in outer space! That is because light also travels in space just like on Earth.
Yes,at night when the sun is gone, there is no light to hide space so we see space at night.
you send them up in a satter light
No. Not in outer space. That would require atmosphere and moisture. There is refracted light in space, however. Just not in rainbow form.