Main content
What happens if an asteroid threatens Earth?
Every night, astronomers around the world search for asteroids that pose a risk to Earth 鈥� but what happens if they find one?
Duration:
This clip is from
More clips from Stargazing
-
![]()
The World's Most Powerful Rocket—Moon Landing Special
Duration: 06:10
-
![]()
Mining the Moon—Moon Landing Special
Duration: 06:27
-
![]()
The Spaceship factory—Moon Landing Special
Duration: 03:03
-
![]()
Supermassive black hole secrets—Australia, Episode 3
Duration: 05:30
