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Astronomy Stuff


Chinahand

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  • 2 weeks later...

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Wolf 359 on the left; Proxima Centauri on the right

Parallax is a wonderful thing.  New Horizons is now so far away from the Earth that the position of stars close to the Earth - in this example Wolf 359 and Proxima Centuri (the closest star to the Sun) - appear to be in a slightly different position compared to the more distant background stars.

More here.

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  • 3 weeks later...

Love it - loads of science there!  If you look carefully the sunspots start off towards the poles and then come closer and closer to the equator, and as they do so they become sparser and sparser until there are basically none, and then right at the end they start appearing again, but once more far away from the equator.

A solar cycle has come and gone and is restarting.

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  • 2 weeks later...

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