The Sky at Night S62E04 · Gaia: A Galactic Revolution

Overview

Maggie Aderin-Pocock and Chris Lintott examine the new information about the Milky Way recorded by the ESA's Gaia space telescope over the past three and a half years, including new data on how stars move over time and how the galaxy was originally formed.

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Subtitles

Episodes

1. 1 1. The Invisible Universe2018-01-14The team reports on unnerving discoveries in the field of space science. Researchers estimate that 95 per cent of everything in the universe is "invisible", and while some of this
2. 2 2. The Mystery of 'Oumuamua2018-02-11The team investigates an astronomical detective story. In October 2017, astronomers spotted the first ever object to visit our solar system from outer space. They called it 'Oumuam
3. 3 3. Mars: Red and Dead?2018-04-08Chris Lintott and Maggie Aderin-Pocock reveal the latest results from NASA's Curiosity and ESA's ExoMars TGO missions that are attempting to find signs of life on Mars. Andy Weir,
4. 4 4. Gaia: A Galactic Revolution2018-05-13Maggie Aderin-Pocock and Chris Lintott examine the new information about the Milky Way recorded by the ESA's Gaia space telescope over the past three and a half years, including ne
5. 5 5. Jupiter: Up Close and Personal2018-06-10Nasa's Juno spacecraft is currently making its 13th orbit of Jupiter on one of the most ambitious and risky space missions ever undertaken. The astonishing images it has captured a
6. 6 6. Outback Astronomy2018-07-08Chris Lintott travels to the Murchison Radio-astronomy Observatory in Australia to find out how astronomers detected signals from the oldest stars in existence and what this discov
7. 7 7. Death Star2018-08-12One evening in early September 1859, a spectacular blood-red aurora borealis appeared across America. Earlier that same day, in a leafy garden in the UK, a gentleman astronomer had
8. 8 8. Expedition Asteroid2018-09-09A look at two missions attempting one of the most difficult feats of space exploration - to collect a rock from another world. This episode checks in on the US and Japanese attempt
9. 9 9. Space Britannia2018-10-14The future of Britain's space programme, examining plans for the first UK spaceport in Scotland and the development of a new rocket system. The programme also examines a revolution
10. 10 10. First Rock from the Sun2018-11-18A report on BepiColombo, a spacecraft sent on a seven-year journey to the heart of the solar system to study Mercury. The objective is to discover why the smallest planet in the so
11. 11 11. The Flying Telescope2018-12-09Chris Lintott visits an observatory aboard a jumbo jet, which carries an infra-red telescope able to observe space from the vantage point of 40,000 feet above sea level. Plus, a lo