| | January 8 Io's Fiery Volcanoes | | | |
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| | |  This is Io, a moon of the giant planet Jupiter. The red dots are active volcanoes on its surface. December 21, 2018, image via the NASA's Juno spacecraft. | | | New Juno images of Io's fiery volcanoes | | Jupiter's moon Io is the most volcanically active world in our solar system. The Juno spacecraft - now orbiting Jupiter - has now gazed across a distance to acquire new images and insights about the "fires of Io." Read more. | | | | Capella is 2 golden stars | | We see Capella as the brightest star in the constellation Auriga the Charioteer. It's really 2 stars, each with a golden color similar to our sun. Read more. | | | | | | |
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| | | Tonight … See a faint star cluster near bright Sirius | Sirius is easy to find. It's the sky's brightest star, and Orion's Belt points to it. If you have binoculars and a dark location, look near it for the star cluster M41. Read more. | | | | |
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| | Tonight … Look for Cassiopeia and the Big Dipper | Watch the celestial clock and its 2 great big hour hands - Cassiopeia and the Big Dipper - as they swing around the North Star every night! Read more. | | |