Thursday, October 26, 2017

EarthSky News - Oct 26 - Blue Jets, Red Sprites and Other Flashes

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Blue jets, red sprites and other flashes
In recent years, the International Space Station has given astronauts the chance to photograph transient luminous events - or TLEs - natural light shows produced at the tops of thunderstorms.
How the universe creates gold
Finally, scientists know how the universe makes gold. They've seen it created in the cosmic fire of 2 colliding stars via the gravitational wave they emitted.
International Observe the Moon Night
A global, public event coming up on October 28. Click in for links to events near you, and to learn how to participate online.
Tonight … The low autumn evening crescent
Or high spring crescent, if you're in the Southern Hemisphere!
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2018 lunar calendars are FINALLY here!

Get your calendars 25% OFF this week.
The low autumn evening crescent
In the coming evenings, you'll see the moon riding low in the sky, beneath the famous Summer Triangle asterism. Southern Hemisphere? Turn this chart upside-down, and look for the waxing crescent high in your springtime sky.
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Airglow over Little Grand Canyon, Utah
Marc Toso of the website AncientSkys.com captured this image of the light of excited atoms and molecules, high over Utah's own smaller version of the Grand Canyon, on October 21.
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