Oct 26 - Giant Rings, Curious Cloud

October 26 Giant Rings, Curious Cloud by:

Artist's concept of how large the rings of exoplanet J1407b would appear in our sky, if they were placed around Saturn. For comparison, notice the crescent moon on the right side of the image. Image via M. Kenworthy/Leiden University. Good morning!   Old photos provide clues about a planet with giant rings Photographic plates going back to 1890 are providing new clues as to whether a distant exoplanet has a giant ring system, more than 100 times wider than Saturn's. Read More. Mars Express eyes a curious cloud The long, thin, white cloud has been seen extending west of a Martian volcano since September 13. It looks as if it could be volcanic, yet it isn't. Here's what's going on. Lightning across the solar system  Lightning is beautiful and powerful on our own planet. Here's what's being discovered about lightning on other worlds, via NASA ScienceCasts.  Watch after sunrise for a daytime moon The Northern Hemisphere’s full Hunter’s Moon has passed. Catch the moon over your western horizon after sunrise in the coming days. Read more.

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Tonight .. Moon near Aldebaran and the Pleiades Despite the lunar glare, you still might see Aldebaran, the constellation Taurus’ brightest star, and the Pleiades star cluster near the moon.

Airglow over Alberta, Canada  Airglow is the light of excited atoms high in Earth’s atmosphere. Earlier this month, Yuri Beletsky Nightscapes captured this image in Banff National Park in Alberta, Canada. Yuri said: “Here you can see a view of a river, with the prominent Big Dipper just above the mountains. Airglow waves were all over the sky!” Thank you. Yuri! Learn more about airglow. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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