Deep and faint in the night sky: Andrew Connolly at TED2014
Astronomer Andrew Connolly begins by telling us that in 1781, English composer, technologist and composer Sir William Herschel noticed something unusual, a little bit of data that was wrong. This was the discovery of a new planet, Uranus. (“A name that has entertained countelss generations of children.”) Just last week NASA announced 517 new planets, almost doubled […]
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