News tagged with milky way

Why does the Milky Way rotate?

We live in a galaxy that is called the Milky Way. It's called a barred spiral galaxy, which means that it has a spiral shape with a bar of stars across its middle. The galaxy is rather huge—at least 100,000 light-years ...

dateFeb 11, 2015 in Astronomy
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Evidence of a local hot bubble carved by a supernova

I spent this past weekend backpacking in Rocky Mountain National Park, where although the snow-swept peaks and the dangerously close wildlife were staggering, the night sky stood in triumph. Without a fire, the stars, a few ...

dateJul 30, 2014 in Astronomy
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Could the Milky Way become a quasar?

A quasar is what you get when a supermassive black hole is actively feeding on material at the core of a galaxy. The region around the black hole gets really hot and blasts out radiation that we can see billions of light-years ...

dateFeb 27, 2015 in Astronomy
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How big is the universe?

Our brains struggle to comprehend how big the universe is because everything here on Earth, and even the Earth itself, is very small when compared to the immense scale of the universe.

dateOct 05, 2015 in Astronomy
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Evidence for supernovas near Earth

Once every 50 years, more or less, a massive star explodes somewhere in the Milky Way. The resulting blast is terrifyingly powerful, pumping out more energy in a split second than the sun emits in a million years. At its ...

dateAug 27, 2014 in Astronomy
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