Tuesday, November 25, 2014

Changing Constellations

From The Atlantic:
Not only does Space Time reveal that in the 1800s B.C., when the Babylonians were first developing the star charts that the Greeks later adopted and passed down to us, the stars were in slightly different places. And when anatomically modern humans arose in the form of Homo sapiens 200,000 years ago, the stars were in vastly different places. Should we humans manage to not destroy ourselves in the coming 200,000 years, our ancestors will look up into the sky and see not a scorpion and a bear, but a totally different arrangement of stars. The constellations we see today (which already, if we’re honest, don’t actually look like bears or scorpions or any of those things) will be even harder to identify (Read more.)

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