Some time ago, I wrote about the awesome things the Greeks did in astronomy. Basically they calculated the size of the Earth, distance and size of the moon and distance and size of the sun. The value ...
You just totally missed the transit of Venus. And there's more. It was awesome. No worries. The next one will be in 2117. You should be fine. Originally, I was going to do a pre-transit post to talk ...
One of the stalwart units of astronomy just got a makeover. The International Astronomical Union, the authority on astronomical constants, has voted unanimously to redefine the astronomical unit, the ...
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