Clear skies to you all for Monday's transit! EarthSky News will be taking the day off. See you Tuesday! Tomorrow … Last transit of Mercury until 2032 | | Our solar system's innermost planet, Mercury, will pass directly in front of the sun tomorrow. It'll come into view as a small black dot on the sun’s face around 7:36 a.m. Eastern Standard Time (12:36 UTC; translate UTC to your time) Monday morning. It’ll make a 5.5-hour journey across the sun’s face, reaching greatest transit (closest to the sun’s center) at approximately 10:20 a.m. EST (15:20 UTC) and finally exiting around 1:04 p.m. EST (18:04 UTC). Much of the world can see some part of the transit. The entire transit will be visible across the U.S. East – with magnification and proper solar filters – while those in the U.S. West can observe the transit already in progress after sunrise. Learn how to watch in the sky or online. | | |
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Did ancient Earth life escape our solar system? | | You've heard of panspermia, the idea that life exists throughout space and was carried to Earth by comets? Theoretical physicist Abraham Loeb makes the case for a reverse kind of panspermia. It's the idea that microbes on Earth may have been ejected into space by asteroid impacts, escaping into the solar system billions of years ago. Read more. | | |