EarthSky News - Dec 19 - Ursid Meteors This Week

December 19 Ursid Meteors This Week by:

This week … Ursid meteor shower Keep an eye out for Ursid meteors. They're radiating from near the northern sky's Little Dipper. Best morning probably Thursday, December 22. Spacecraft to search for Trojan asteroids In February, the OSIRIS-REx spacecraft will search for Earth-Trojan asteroids in the vicinity of Earth's L-4 point ... Scientists explore Ceres' water wealth Water ice in permanently shadowed craters on Ceres. Water ice everywhere, on or near the surface. Last week, scientists presented 2 lines of evidence that Ceres is water-rich.  Rover hits jackpot of Mars evidence A cool animation showing now and long ago at Gale Crater, plus the path of the Curiosity rover on Mars today, and an update on Curiosity's findings.

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Spacecraft to search for Trojan asteroids Illustration shows Earth and moon inside the red circle. If there are Trojan asteroids in Earth's orbit, they'll be at L4 and L5. The OSIRIS-REx spacecraft will soon search for them.

Ursid meteors are flying The moon is up during the best hours for watching (after midnight). Still, people are catching Ursid meteors. This one was a bright one!  Photo caught Saturday night by Eliot Herman in Tucson, Arizona. Submit your photo to EarthSky here!

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