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Space

Presenter Sir Patrick Moore has been your star guide since 1957.
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It takes 4.3 years for light from the star Alpha Centauri to reach Earth. Find out why it twinkles when it gets here.

The volcano Olympus Mons towers 17 miles above the Red Planet's surface.
Also: The latest news from Mars

On This Day remembers the highs and lows of space exploration with articles, images and video.




		Scheme 'can cut extra emissions' Law change call for space flight Studies 'overstate species risks'



		Solar System Sun, Earth, Mars, Moon, Asteroids, Comets, more...

		Play space Games, Quizzes, Interactive space map, more...

		Life? How life starts, Looking for life, more...

		Exploration Future spaceflight, Mission timeline, more...

		Deep space Black holes, Galaxy guide, Wormholes, Dark matter, more...

		Origins Big Bang, Echoes, Inflation, Antimatter, The end, more...

		Stars Birth, Death, Types, Inside stars, Why stars twinkle, more...

		The Sky at Night Watch the show, Sir Patrick Moore biography, more...



		Prehistory Explore our prehistory section for dinosaurs and other prehistoric life.