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A rainbow isn’t a flat 2-dimensional image on the dome of sky. It’s more like a mosaic, composed of many separate bits … in 3 dimensions.
If you only ever learn one star mnemonic, make it this one!
It’s their active season. Here are some things you might not know.
Polaris – aka the North Star – marks the end of the Little Dipper’s handle. The 2 outer stars in the bowl of the Big Dipper always point to Polaris.
Here’s an easy astronomy lesson, from a master in the art of loving nature.
The Ides of March are March 15. We in modern times probably wouldn’t know about them, if it weren’t for William Shakespeare.
The Big Dipper is easy to recognize, but the Little Dipper … not so much. Here’s a tip that can help.
The 2 outer stars in the Big Dipper’s bowl point to the North Star, aka Polaris.
It takes up to 30 minutes for your eyes to adapt to the dark. And a country location is best. Then, on a clear night with no moon … how many stars?
The most distant human object is now over 13 billion miles (21 billion km) from Earth.
Lyrid meteor shower peaks this weekend
Antarctic Milky Way selfie