| | January 12 Is Tonight's Moon a Supermoon? | | | |
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| Is tonight's moon a supermoon? | | The first of 2017's 12 full moons falls on today's date. It's the 3rd-closest full moon in 2017, but is it a supermoon? Even experts disagree. Learn why here. | | | Tonight … A Venus milestone | | At greatest elongation today, Venus is as far from the sun as it will be for this evening apparition. You'll easily see it in the west after sunset. | | | Watch 2017's 2nd spacewalk tomorrow | | ISS astronauts will work on a complex upgrade to the station's power system during Friday's spacewalk. Live TV coverage starts at 5:30 a.m. EST (1030 UTC). The spacewalk begins at 7 a.m. EST (1200 UTC) and is expected to last about 6 hours. | | | Weak La Niña follows potent El Niño | | A year ago, the equatorial Pacific was pulsing with heat, due to one of the most intense El Niños on record. But the current La Niña has been relatively quiet. | | | | | |
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| | | See it! First full moon of 2017 | In the Northern Hemisphere, the January full moon is sometimes known as the Wolf Moon. Howl at these awesome photos of January's moon from EarthSky friends around the world. Photo: Jenney Disimon | | | | |
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| | It's not the moon. It's Venus | Venus appears as a blazing star to the eye alone. But if you looked at it through a telescope now, you'd find it showing a phase and appearing approximately half illuminated. Photo by Tom Wildoner. | | | |
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