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11 Episodes 2015 - 2015
Episode 1
30 mins
A visit to the factory that made the Gaia space telescope, which will help answer questions about the Milky Way, including what lies at its centre.
Episode 2
30 mins
From unexplained flashes in the night sky to flying saucers, the team delves into the mysterious world of UFOs. How our drive to explain these phenomena, and desire to discover aliens, has transformed our understanding of the universe.
Episode 3
30 mins
For 25 years the Hubble Space Telescope has been showing us the cosmos as we've never seen it before. The team reveals the 'top five' greatest images Hubble has produced, images that have astounded us.
Episode 4
30 mins
The team explores our nearest neighbour Venus, discovering how it formed and how ESA's Venus Express spacecraft has revealed the secrets of its atmosphere.
Episode 5
30 mins
With the exciting news that the Philae lander had woken up on comet 67P, Sky at Night reveals the latest results from the Rosetta comet landing.
Episode 6
30 mins
The story of NASA's visit to Pluto, the first time a probe has visited the dwarf planet. With expert insight into the latest images from the New Horizons probe.
Episode 7
30 mins
The Sky at Night team look at cosmic explosions. They explore the beautiful but potentially deadly outbursts of our very own star - the sun - and the most violent and energetic events in the universe, gamma ray bursts.
Episode 8
30 mins
The team looks at the dynamic nature of the universe, winding its time-line backwards and forwards to reveal how the night sky changes over time.
Episode 9
30 mins
A look at the weird and wonderful world of volcanism on other planets and moons, from the giant extinct volcanoes of Mars to the sulphur plumes of Io.
Episode 10
30 mins
As we close in on the discovery of the 2,000th planet outside our solar system, or exoplanet, the programme asks if we are really any closer to finding another world like our own - a second Earth.
Episode 11
30 mins
The team go in search of the potential causes of the Star of Bethlehem. The list of candidates includes supernovae, comets, meteors and unusual alignments of the giant planets.