Sunday, February 19, 2017

EarthSky News - Feb 19 - Top Stories This Week

February 19
Top Stories This Week
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Hints of a quiet, stray black hole
Studies predict 100 million to 1 billion black holes in the Milky Way. Astronomers have found about 60 so far.
Toxic pollutants persist in deepest ocean
Banned chemicals from the 1970s found in bodies of crustaceans in deepest ocean trenches.
Wow! Underwater photo winners
Winners of the 2017 Underwater Photographer of the Year (UPY) contest.
How many eclipses in 1 calendar year?
Every calendar year has at least 4, but 5-7 are possible. Why don't we see them all?
Got 5 minutes? Learn to see Saturn in 2017
You can find it this month, especially when the moon sweeps past on February 19, 20 and 21.
What causes the aurora borealis?
Don't miss the gorgeous pics at the bottom of this post
Moon, Saturn, Antares again early Monday
Before sunrise tomorrow – February 20 – the waning crescent moon again appears close to the planet Saturn and the star Antares. But the moon will be nearer to Saturn than it was the day before.

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Saturn, Antares again early Monday
Before sunrise tomorrow – February 20 – the waning crescent moon again appears close to the planet Saturn and the star Antares. But the moon will be nearer to Saturn than it was the day before.
Michigan sun halo
Walter Elliot captured this enormous sun halo over Grand Haven, Michigan on February 16. It surely does make the lighthouse took tiny!
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