Question

Can two astronauts talk on the surface of moon has do
on the surface of the earth why

Answer 1

they cannot because their is no air in space....




hope this helps

Answer 2

because on moon there is no air available.
And as we know air is the medium of propagation of sound waves.
and because the Moon's atmosphere is vaccum so sound waves does not travel and they cannot talk as we can on earth. They have to use an special instrument