After The Perseids, A Beautiful Moon-Venus Conjunction

I really enjoyed the Perseid meteor shower and hope you had a chance to see it, too. My daughter Maria came over and we reclined in the driveway talking and watching quietly till 1 in the morning. Because I fiddled with the camera she saw a few more meteors than I. Her final count was…
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Spectacular New Views Of Titan, Neptune, Ryugu And Jupiter

Titan July’s been busy with fresh takes on familiar faces. NASA recently released some of the clearest, most detailed views of Titan, Saturn’s largest moon. With a diameter of 3,200 miles (5,150 km), Titan is the solar system’s second largest moon after Jupiter’s Ganymede and the only one with a dense atmosphere. NASA employed the…
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12 New Moons For Jupiter Makes 79!

Galileo was the first person to see Jupiter’s moons. He eyeballed the four brightest through his small telescope on winter evenings in early 1610. When I was a boy Jupiter had 12 moons. More than 275 years passed before a fifth, Amalthea, was spotted in 1892. In the 1960s, a dozen were known. And by 2016,…
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A Case Of Conjunction-Itis / Mars Dust Storm Global But Weakening

Over the next week, the waxing and then waning moon will pass three bright planets — Jupiter, Saturn and Mars. First to get a visit will be Jupiter both tonight and tomorrow night (June 23). Saturn follows on June 27 and Mars on the 30th. The moon moves faster across the sky because it’s so…
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Juno Discovers That Jupiter’s Lightning Is Like Earth’s

Summer’s coming. For the western hemisphere it starts bright and early Thursday June 21 at 5:07 a.m. (Central Time). The heat of the season fuels the formation of thunderstorms. Last night, I drove home through one, with sudden downpours and lightning that lit up the sky like popping flash bulbs. Earth’s not the only planet…
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