EarthSky News - Oct 9 - Did the Moon Once Have Air?

October 8 Did the Moon Once Have Air? by:

Did the moon once have air? We know that ancient lunar volcanos spewed lava. Gases rising from the lava might have accumulated around the moon to form a temporary atmosphere, 3 to 4 billion years ago. International Observe the Moon Night A global public event coming up on October 28. Events scheduled around the globe. Click in for more info and links. Forecast for Mercury: Morning micro-meteor showers Mercury - with only the thinnest of atmospheres - has a continuous rain of micro-meteors wherever on the planet dawn is breaking. What’s the October birthstone? Happy birthday, October babies!

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Tonight … Find the Andromeda galaxy Most people find the galaxy by star-hopping from the constellation Cassiopeia, which is a very noticeable M- or W-shaped pattern on the sky’s dome.

5 faint Draconid meteors The naysayers were wrong. Some did catch some Draconid meteors this weekend, in the narrow window between sunset and moonrise. Composite image from Saturday night by Stephanie Longo at Pike National Forest in Colorado. She caught all 5 of these in less than an hour, in the narrow window between sunset and moonrise. View larger. Submit your photo to EarthSky here!

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EarthSky News - Oct 8 - Nobel Winners, Merging Black Holes, Close Encounters

October 8 Nobel Winners, Merging Black Holes, Close Encounters by:

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. Scientists just announced 5 new pairs, in the centers of distant galaxies. Close encounters of the planet kind Brilliant Venus and faint Mars swept close last week, in the east before sunup. Check out these awesome photos! Tonight … Moon's lit side points to Aldebaran Watch the moon travel toward the star Aldebaran in our sky throughout the night tonight. Then come back tomorrow, and see how far the moon has moved.

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!

Tonight … Moon's lit side points to Aldebaran When the moon is waning, it's always traveling in orbit in the direction of its illuminated portion.

Close encounters of the planet kind Eliot Herman in Tucson caught Venus and Mars on the morning of October 6. Venus is the brightest one, Mars right next to it ... Submit your photo to EarthSky here!

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