The Sky at Night

Season 32 Episode 13: Close Encounters

There are some asteroids which pass close to the Earth! Patrick Moore talks about these 'close-approach' asteroids to the American astronomer Eleanor Helin , who has discovered many of them.

Genre:

Documentary, News

Seasons:

70

Episodes:

847

Cast:

Quality:

HD

Duration:

30 min

First Air:

1957

Rating:

8.3