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Tycho Brahe’s Star

2 Nov 2014, 00:00 UTC
Tycho Brahe’s Star
(200 words excerpt, click title or image to see full post)

Some people look to the skies for signs of changes to come. Sometimes, a celestial event ushers in change. The mysterious appearance of a new star in November 1572 satisfied both causes. Continue reading →

¡SkyCaramba! Weekly astronomy blog for the week ending November 8, 2014
Some people look to the skies for signs of changes to come. Sometimes, a celestial event ushers in change. The mysterious appearance of a new star in November 1572 satisfied both causes.
One night, people all over the northern hemisphere saw a star where they had seen none before. Cassiopeia looks like an M or a W depending on where it is as it circles the north celestial pole. In story telling, its familiar outline marks a throne into which a vain queen from an ancient kingdom is chained. No one expected to see a sparkling new jewel there.
For about 2,000 years, various educated people had thought the heavens were mostly unchanging. In their view, all the stars that would ever exist were already up there and weren’t going anywhere. Planets, the sun, and the moon obviously moved, but people accepted that. Comets were a little hard to explain. Nevertheless, by the late ...

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