Neutron Stars’ Death Merger Rattles The Fabric Of Spacetime

Simulation of the the two neutron stars that collided in the galaxy NGC 4993 in Hydra to create both a visible explosion and ripples in spacetime It happened 130 million years, but we had to wait till August 17 to find out. That’s when scientists directly detected gravitational waves — ripples in in the fabric of spacetime…
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Comet Or Asteroid? Hubble Discovers Unique Solar System Object

The Hubble Space Telescope is always up to something. Now, a German-led group of astronomers have observed a one-of-a-kind object in the asteroid belt between Mars and Jupiter. Scratch that. Two-of-one-kind: a pair of asteroids orbiting each other that show comet-like features including a bright coma and a long tail. It’s the first known binary asteroid also…
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Giant Star Becomes A Black Hole Right Before Our Eyes!

Who would ever have thought we’d see a massive star become a black hole just like that? And yet that’s the best explanation for the sudden disappearance of what was once a brilliant star 22 million light years away in the galaxy NGC 6946. It took the combined power of three serious telescopes — the Large…
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Hubble’s Jupiter — Whipped Cream With A Cherry On Top

If you had clear skies this week, you probably noticed the big, bright moon next to the big, bright planet Jupiter. Jupiter drew closest to the Earth on April 8 and now appears brighter in the night sky than at any other time in the year. Not only are beginners and amateurs alike pointing telescopes…
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Astronomers Spot Intense Auroras On Uranus

One of our favorite topics here is the northern lights. Although auroras are uncommon in middle northern latitudes, you can always take a plane or train up to Churchill on Hudson Bay and see them nearly every night of the year. If you could get in a rocket ship and launch for Venus, Mars, Jupiter, Saturn,…
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