Why two astronauts cannot talk to each other in space?
ASound cannot be heard due to Moon's gravitational force.
BSound reflects back.
CSound travels only in straight line.
DSound cannot travel through vacuum.
Why two astronauts cannot talk to each other in space?
ASound cannot be heard due to Moon's gravitational force.
BSound reflects back.
CSound travels only in straight line.
DSound cannot travel through vacuum.