EarthSky News - Sept 21 - Equinox Moon and Jupiter

September 21 Equinox Moon and Jupiter by:

Equinox moon and Jupiter next few days It'll be tough to catch the crescent moon and Jupiter from northerly latitudes. Much easier from southerly latitudes! Watch for these bright worlds, west after sunset. Sun on the sky's equator Another great explanation of Friday's equinox - plus beautiful graphics - from astronomer Guy Ottewell. EarthSky's meteor shower guide for 2017 A whole series of awesome meteor showers is about to start. Click in for information on how to watch the Draconids, Orionids, Taurids, Leonids and Geminids! More evidence of water on Mars Planetary researchers say a large sedimentary basin, named Aeolis Dorsa, contains some of the planet’s most spectacular and densely packed river deposits.

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Equinox moon and Jupiter next few days How many of you will see the moon and Jupiter tonight? If you miss them, try Friday or Saturday evening.

Triple lightning hits the sea Roberto Porto captured this image on September 15. He's on the island of Tenerife, one of Spain's Canary Islands, off West Africa. Submit your photo to EarthSky here!

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EarthSky News - Sept 20 - Equinox Ahead, Dust Devils, Zap!

September 20 Equinox Ahead Dust Devils  Zap! by:

All you need to know: September equinox The equinox is Friday. Happy autumn (or spring)! Dust devils on Earth and Mars Researchers spent 5 years studying dust devils. They did it by placing 2-sided sticky tape on long pipes and running into dust devils. Hear their results and see cool images, here. Zap! Biologist measures eel’s shock on his own arm More dedication to science! This biologist stuck his arm into an eel tank - 10 times - to get an accurate measure of an eel's shock. He said it felt "like touching a horse fence." Earth will give this spaceraft a gravity boost Friday A NASA spaceraft - OSIRIS-REx - bound for an asteroid will sweep in close to Earth on Friday. How to participate in a Wave to OSIRIS-REx campaign. Plus, how to see the craft in the sky and where to submit your images.

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Sun over Earth's equator at equinox On Friday, the midday sun will be straight overhead seen from Earth's equator. It'll be crossing the equator, moving from north to south. Image by Tau’olunga via Wikimedia Commons.

Daytime occultation of Mercury yesterday Venus, Mars and Mercury were all occulted, or covered over, by the moon on September 18. Here is the daytime occultation of Mercury, caught from Hong Kong by Matthew Chin. See more photos or ... read more about the occultations. It was the first time since March 5, 2008, that 3 planets were occulted by the moon in less than a day. Next time: July 24, 2036. Submit your photo to EarthSky here!

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