EarthSky News - Sept 4 - How Earth Looks from Space

September 4 How Earth Looks from Space by:

How Earth looks from space If you were looking with the eye alone, how far away in space would our planet Earth still be visible? A new look at ocean worlds Here's how the James Webb Space Telescope - successor to Hubble, due to launch in 2018 - will study Jupiter's moon Europa and Saturn's moon Enceladus. This week … Earth passing between Neptune and sun We're closest to Neptune for 2017 today. Neptune's opposition - when it's 180 degrees from the sun on the sky's dome - is tomorrow. Capricornus? Here's your constellation How to see it, and how a sea-goat came to reside among the stars.

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This week … Earth passing between Neptune and sun You need optical aid to spot it. Links to charts here. Wait a few days until the moon leaves the evening sky ...

A new look at ocean worlds This is Saturn's moon Enceladus, as seen by the Cassini spacecraft. It's thought to have a subsurface ocean and can be seen spewing water vapor from its interior. Submit your photo to EarthSky here!

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