Saturday, October 14, 2017

EarthSky News - Oct 14 - Top Stories This Week

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Penetrating the mystery of why we age
Researchers in Germany call the aging process "a quirk of evolution".
Red sprite over Oklahoma
Red sprites are large-scale electrical discharges - high above thunderstorm clouds - flickering in the night. Click in for a video.
Nobel winners shed light on circadian rhythms
New insights on how our cells keep track of time.
How gravitational waves attracted a Nobel Prize
The detection of ripples in spacetime, aka gravitational waves. 
5 new pairs of merging supermassive black holes    

Merging black holes are the sorts of catastrophic events that produce the strongest gravitational waves.

Forecast for Mercury: Morning micro-meteor showers
Mercury has a continuous rain of micro-meteors wherever on the planet dawn is breaking.
Did the moon once have air?
Gases rising from lunar volcanoes might have accumulated around the moon to form a temporary atmosphere, 3 to 4 billion years ago.
Sunday before dawn … Moon occults Regulus
From most of the world, the waning moon shines near the bright star Regulus Sunday morning. From much of the U.S., Mexico, the Caribbean and southeast Canada, the moon will pass in front of Regulus.
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EarthSky t-shirts are back

EarthSky is happy to announce our latest initiative EarthSky Cares. A percentage of proceeds collected through this sale will be donated to select organizations. Click here to help us make a difference in our world today!

Sunday before dawn … Moon occults Regulus
On this map from the International Occultation Timing Association (IOTA), everyplace in between the solid white lines sees the occultation in a nighttime (predawn) sky. Meanwhile, the short blue lines indicate where the occultation happens at dawn and the red dotted lines where the occultation occurs in daytime.
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ISS over Puget Sound, Washington
Photographer John Nelson used NASA's SpotTheStation website to learn when the International Space Station would make a high pass in his sky. This image is the result.
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