Jupiter Surprises With Massive Magnetism And A ‘Fuzzy’ Core

I look out at night and see Jupiter and wonder how much we don’t know about the solar system’s biggest planet. Scientific investigation increases our knowledge of the universe but never reaches an endpoint. Who would want it to? There’s an infinite complexity to everything we might investigate, and the hunt’s half the fun. Always another…
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How To See Jupiter In Broad Daylight Today

Up for a naked eye challenge? Most of us look for planets in a dark sky, or with Venus and Mercury, in twilight. But there are ways to view the brighter planets while the sun is still up. Go-to telescopes can point to bright stars and planets automatically, but hey, that’s cheating. Today, we’re going to…
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What A Week It’s Been At Saturn!

NASA’s Cassini spacecraft zipped between Saturn and its gossamer rings for a second time on May 2 and returned fresh, stunning photos of the solar system’s most picturesque planet. During the first crossing on April 26, scientists discovered the region was nearly empty of dust and ice particles. They expected to the probe to smack…
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Hubble Uses Galaxies As Lenses, Peers Into Final Frontier

Galaxy clusters are the most massive structures in the universe that are held together by gravity, generally thought to have formed when smaller groups of galaxies smashed into each other in ever-bigger cosmic collisions. Most are between 6.5 and 32 million light years across and can contain up to 1,000 galaxies, along with hot intergalactic…
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Comet Halley Chaff Sparks Weekend Eta Aquarid Meteor Shower

It’s back! The annual Eta Aquarid meteor shower reaches maximum Saturday morning (May 6) in the hour or two before the start of dawn. That means getting up to look around 3-3:30 a.m. for the best view. An ungodly time to be sure, but since it’s Saturday, we can make it up by sleeping in. Rates…
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