How the Universe Works

1:00 AM to 2:00 AM
Tuesday 17 December
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When Galaxies Fight

Season 9 Episode 1 of 33

Experts analyse what happens when galaxies containing billions of stars collide and are left irrevocably changed

How the Universe Works airs on Discovery History at 1:00 AM, Tuesday 17 December. (Subtitles.)
Topics
News ➝ Current Affairs
Documentary