Wednesday, March 8, 2017

EarthSky News - March 8 - Light on 1st Stars

March 8
Light on 1st Stars
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Stardust sheds light on 1st stars
Astronomers observed a young galaxy, existing when the universe was only 4% of its current age. It had a mass of interstellar dust, formed during explosions of an earlier generation of stars.
Tonight … Moon and constellation Cancer
You'll find a bright waxing gibbous moon shining in front of Cancer the Crab, faintest constellation of the zodiac Wednesday evening.
Beehive: 1,000 stars in Cancer
On a dark night, look for it as a smudge of light, with three times the moon's diameter. It's really a wondrous cluster of stars called the Beehive, or M44.
Cancer? Here's your constellation
Here's how to find the constellation Cancer in your sky, after the moon has moved away. Plus Cancer's place in sky history, lore and science.

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Rat-shaped cloud, with virga
Peter Lowenstein wrote: "What was interesting ... was the development of a small upside-down cumulus on the underside of the cloud head from which delicate curtains of virga could be seen descending." Click in to see the rat shape of the entire cloud.
Moon and constellation Cancer
The bright moon will drown faint Cancer from view. But notice the stars near tonight's moon, and you can find Cancer later, when the moon has moved away.
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