Ancient Dust In Remote Galaxy Ties Us To Our Cosmic Beginnings

To make planets and people you need dust. That’s what we’re made of. Dust. But mixed and tended in ways so remarkable our bodies give that dust passion and voice. Dust comes from aging and exploding stars. Supernovae are the most spectacular but not the only dust-makers. As stars like our sun age, they puff…
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Black Hole Spins And Eats A Cosmic Christmas Wreath

My neighbor stopped by the other night with the Christmas wreath we’d ordered. First, I stuck my nose in it to breathe in the citrusy tang of balsam fir needles. Delicious! The next day I hung it outside the door and admired the green whirls and big red ribbon. A cheerful sight on grayovercastday #14 here…
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Care For Tea With ‘Milk’? Fill Up At Sagittarius

I’m a tea drinker. Two cups a day keep my engine humming. On summer nights, the Teapot of Sagittarius stands at the ready to tip a different sort of cup. One that provides a thick brew of Milky Way stars, sooty interstellar gas clouds and sparkling star clusters. Sagittarius is a centaur with the body and four…
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Empty Sky? Not To Hubble’s Eye

Rarely has so much been accomplished by staring into empty space. But that’s exactly what astronomers have been doing with the Hubble Space Telescope in the Frontier Fields program since 2012. It works like this: while Hubble keeps one eye  (camera) on a distant galaxy cluster, it aims another at an adjacent but empty field…
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Hubble Smashes Cosmic Distance Record

We have a new record! Astronomers have pushed the Hubble Space Telescope to the limit and uncovered a new galaxy so far away, it’s still in the process of formation only 400 million years after the universe began in the Big Bang. Located 13.4 billion light years from Earth, Yale researchers led an international team of…
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