The Earth is bombarded by extra terrestrial material every day, but what is this cosmic debris? Patrick Moore investigates comet tails, meteorites and asteroids and discovers the terrible consequences of a cosmic collision with the Earth.
Mercury is a world of extremes and enigmas - the closest one to the Sun. The spacecraft Messenger, which has just reached it after a four year journey, now offers enthralling pictures of its hidden side, which has never been seen before.
With a new era of lunar exploration dawning as more probes are launched to the Moon, Patrick Moore finds out about British ambitions to get there. Dr Chris Lintott travels to NASA to hear about plans to blast a crater in the lunar surface.
As NASA, along with the European Space Agency, plan a return mission to either Jupiter or Saturn, two prominent astronomers discuss which planet we should return to.
The Large Binocular Telescope in Arizona promises a revolutionary way to look at the night sky. The light from its two 8.5 metre mirrors will produce images of unprecedented clarity and power.
Sir Patrick Moore looks at the results of the Galaxy Zoo project, a website which sorts the galaxies of the Universe into spirals and ellipticals, which has been recorded by volunteers of the general public.
Sir Patrick Moore hosts an autumn equinox party in his garden and talks to Dr. John Mason about what to look for in the night sky at this time of year.
Gamma ray bursts are some of the largest explosions in the universe, and Sir Patrick Moore discovers how some of these monstrous events mark the spectacular deaths of the first stars.
Sir Patrick Moore wonders if there is life beyond Earth, while Dr. Chris Lintott spends the night with the giant Keck Telescope and meets alien hunter Dr. Jill Tarter from SETI.
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Top Gap
By what name was The Sky at Night (1957) officially released in Canada in English?