Category: Blogger
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Like Earth’s moon, Saturn’s largest moon Titan is locked in synchronous rotation with its planet. This mosaic of images recorded by the Cassini spacecraft in May of 2012 shows its anti-Saturn side, the side always facing away from the ringed gas giant. The only moon in the solar system with…
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The most massive young star cluster in the Small Magellanic Cloud is NGC 346, embedded in our small satellite galaxy’s largest star forming region some 210,000 light-years distant. Of course the massive stars of NGC 346 are short lived, but very energetic. Their winds and radiation sculpt the edges of…
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Sometimes, the sky itself seems to smile. A few days ago, visible over much of the world, an unusual superposition of our Moon with the planets Venus and Saturn created just such an iconic facial expression. Specifically, a crescent Moon appeared to make a happy face on the night sky…
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Where are Saturn’s ears? Galileo is credited, in 1610, as the first person to see Saturn’s rings. Testing out Lipperhey’s recently co-invented telescope, Galileo did not know what they were and so called them “ears”. The mystery deepened in 1612, when Saturn’s ears mysteriously disappeared. Today we know exactly what…
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