Why Can't Astronauts Hear or Talk in Space?
Sound waves can only move through solids, gases, and liquids; they cannot travel through vacuum. Space has no medium for sound waves to travel through, and it is completely vacuumed. As a result, astronauts in space cannot hear or communicate with one another. To listen and communicate, they need a radio.
Did you Know? The footsteps of the Apollo astronauts on the moon will most likely remain there for at least 100 million years.
According to popular belief, the first lavish celebration of Dussehra was held in the Mysore Palace in the 17th century