Sept 11 - An Explosive Start for Titan's Lakes?

September 11 An Explosive Start for Titan's Lakes? by:

Artist's concept of a lake at the north pole of Saturn's large moon Titan. This image illustrates the raised rims and rampart-like features seen by NASA's Cassini spacecraft around some Titan lakes. Image via NASA/JPL-Caltech. Read more.

An explosive start for Titan's lakes? Here's a wild scenario. You know the lakes on Titan, the ones filled with liquid methane, not water? Some are surrounded by steep rims. A new study suggests these features might have been caused by underground explosions of warming nitrogen. The explosions may have created some of Titan's lake basins. Read more. All you need to know: 2019's Harvest Moon It'll be an early Harvest Moon in 2019, coming up on September 13 and 14 for the Northern Hemisphere. Read more. Video: Shedding light on black holes How much of what think you know about black holes is true, and how much is myth? To separate fact from fiction, check out this 4-minute vIdeo from NASA.

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Tonight … Watch for the legendary green flash If want to look for the green flash, be sure to wait until the last moment before the sun disappears. Otherwise, you might harm your eyes. Photo by Jim Grant. Read more.

A corona around the sun View at EarthSky Community Photos. | This September 8 photo is from EarthSky friend Rocki Shore of New York, New York. It's what's called a solar corona. This sky phenomenon is much smaller than the 22-degree halo you sometimes see around the sun or moon. You need to be careful when catching it. Even though there are clouds up there, the sun's brightness can harm your eyes, or your camera. To view a corona, or capture one on film, consider putting the sun itself behind an obscuring lamppost or the side of a building. Read more about coronas from Les Cowley of the great website Atmospheric Optics. Submit your photo to EarthSky here! Did a friend forward EarthSkyNews to you? Click here to get your own subscription!

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