The Crescent Moon Plays Planetary Hopscotch, Falling Back, Wading into Water Constellations, and Some Spooky Treats!
The Witchhead Nebula in Orion is very large, but dim. It’s best seen in long exposure astrophotos – like this image taken by Jeff Signorelli in the NASA APOD for October 30, 2015. The name is a misnomer. The blue colour is produced when light from the bright star at centre left reflects off nearby…
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