Black hole supermassive Milky Way FEA

Astronomers Plan To Take First Picture Of A Black Hole Next April

On two nights in April 2017, eight observatories around the planet will function together as one Earth-size telescope to simultaneously observe Sagittarius A* (Sagittarius A star), the supermassive black hole at the center of the Milky Way. Collectively known as the Event Horizon Telescope, this will be humanity’s first attempt to get an image of a black hole.…
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CREDIT: PIETER VAN DOKKUM, ROBERTO ABRAHAM, GEMINI, SLOAN DIGITAL SKY SURVEY

Astronomers Discover ‘Ghost Galaxy’ Made Of 99.99% Dark Matter

Dark matter is infuriating. It’s everywhere, outnumbering regular matter by 5 to 1. Yet it doesn’t reveal itself to our eyes or telescopes. Dark matter gives off no light and interacts with ordinary matter in just one way — through gravity. By measuring how much it tugs on stars and galaxies, we can estimate the…
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Scorpius feat

Getting Stung By A Scorpion Can Be A Beautiful Thing

Near the tail end of Scorpius the scorpion you’ll find a neat pair of stars — Shaula and Lesath — that form the stinger. Dubbed the Stinger Stars, from mid-northern latitudes they never rise higher than 10°-15° or a little more than a fist above the southern horizon. Trees and buildings usually get in the way of seeing…
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Milky Way King FEA

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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Black hole NASA et allFEA

Summer Nights Under The Milky Way’s Black Hole

Hidden behind a scree of interstellar dust 25,000 light years away in the constellation Sagittarius lies the center of the Milky Way galaxy. Billions of stars concentrate there surrounded by a a whorl of spiral arms. For every star we see in the nighttime sky, someone living near the galactic center would see one million.…
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