Saturday, August 12, 2017

EarthSky News - Aug 12 - Largest-Ever Gulf of Mexico Dead Zone

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Largest-ever Gulf of Mexico dead zone
For 32 years, scientists have tracked the oxygen-depleted waters that appear each summer in the Gulf of Mexico. This year's dead zone is the biggest yet.

Moon on its way to the eclipse

Sky insights and charts from astronomer Guy Ottewell that can help you see the moon now, and picture it on its way to the August 21 total solar eclipse!
Tonight … Starhop to Perseid meteor radiant
As you watch Perseid shower, see if you can star-hop to the Double Cluster. It nearly coincides with the Perseids' radiant point.
Star of the week: Altair, bright star of the Eagle
Altair needs only 10 hours to spin once on its axis, in contrast to roughly a month for our sun. 
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Moon on its way to the eclipse

Watch the moon, between midnight and dawn, in the coming mornings. It's moving toward the total solar eclipse! Chart via Guy Ottewell.
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Meteor in moonlight
Jarred Donkersley captured this meteor on August 5 around midnight, from Cathedral Rock in Sedona, Arizona, with a nearly full moon in the sky. He wrote: "I was in the middle of a long exposure, just chatting with some friends. We noticed a flash and looked up to see this long burner..."
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