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Professor Brian Cox and Dara O Briain host three days of live stargazing featuring epic images from observatories around the globe.
Jonathan Ross is shown how to use a telescope. Brian explains why planets are spheres. Hawaii becomes home to Liz, who tells us about Mars and Mark gives tips on how to take brilliant night photographs.
Liz shows us images of the sun, Brian explains how we know where every planet will be at a certain time, Liz talks about blackouts from CMEs. We are shown images of the Andromida Galaxy, our nearest neighbour, and a weirdo talks about sound in Apace.
Brian talks to the astronauts on board the International Space Station,Mark gives amateur stargazers a chance to watch the Quadrantid Meteor Shower, Liz looks at the night skies from beautiful Hawaii nd shows us some of the telescopes, Dara goes on top of the Lovell telescope at their HQ in Jodrell Bank Observatory, The team talk to a European astronaut, Dara is tipped up to experience what an astronaut does.