galaxies Archives - Different Impulse

Visualization of the simulations used in the study. Top left shows dark matter in white. Bottom right shows a simulated Large Magellanic Cloud-like galaxy with stars and gas, and several smaller companion galaxies.

October 10, 2019 Science

The Milky Way kidnapped several tiny galaxies from its neighbor

Just like the moon orbits the Earth, and the Earth orbits the sun, galaxies orbit each other according to the

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An artist's impression of the massive bursts of ionizing radiation exploding from the center of the Milky Way and impacting the Magellanic Stream.

October 6, 2019 Science

Not long ago, the center of the Milky Way exploded

A titanic, expanding beam of energy sprang from close to the supermassive black hole in the centre of the Milky

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Andromeda: our nearest large galactic neighbour.

October 4, 2019 Science

Will Andromeda start consuming the Milky Way?

Scientists have now charted the cannibalistic past of the neighboring galaxy to our own – Andromeda. The large galaxy now

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Astronomers have spotted fairly quiet, LINER galaxies (left) fire up into quasars (right) in a matter of months

September 24, 2019 Science

Astronomers watch six galaxies suddenly fire up into quasars

Normally things happen slowly out in space. It can take thousands, millions or even billions of years for stars and

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Astronomers have found two galaxies that appear devoid of dark matter, which they argue is in fact strong evidence of the elusive particle's existence.

April 4, 2019 Science

Two Unusual Galaxies Shake Up the Dark Matter Debate, Again

When it comes to the nature of dark matter, astronomers are still largely, well, in the dark. The existence of

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Two merging galaxies known as Arp 302, also called VV 340

February 28, 2019 Science

Decade long study sheds light on “killer” galactic mergers

Images taken by NASA’s Spitzer Space Telescope are providing insight into the phenomenon of “killer” galaxies that, when they merge,

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The bizarre galaxy NGC 1052-DF2, a diffuse collection of stars, gas and dust that is apparently devoid of dark matter.

January 26, 2019 Science

Ghostly Galaxies Hint at Dark Matter Breakthrough

Much as a ripple in a pond reveals a thrown stone, the existence of the mysterious stuff known as dark

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This is a Hubble Space Telescope mosaic of a portion of the immense Coma cluster of over 1,000 galaxies, located 300 million light-years from Earth.

December 1, 2018 Science

Hubble uncovers thousands of globular star clusters scattered among galaxies

Gazing across 300 million light-years into a monstrous city of galaxies, astronomers have used NASA’s Hubble Space Telescope to do

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September 29, 2018 Science

Astronomers Capture the Sharpest Image yet of a Monster Galaxy 12.4 Billion Light Years Away

Looking back 13-billion years into our universe’s past, a group of scientists first discovered the monster COSMOS-AzTEC-1 galaxy using the

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September 19, 2018 Science

Astronomers Discover Galaxies So Mind-Blowingly Huge They Break Laws Of Physics

ASTRONOMERS have discovered a set of galaxies which, in theory, are “too big and too bright” to exist. The galaxies

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July 18, 2018 Science

Oddball Galaxy Puts Dark Matter Theory to the Test

A small, faint galaxy residing some 65 million light-years away has been threatening to upend scientists’ entire paradigm of dark

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June 24, 2018 Science

Einstein’s Greatest Theory Validated on a Galactic Scale

Three years ago astrophysicist Tom Collett set out to test a theory. Not just any theory, but one that sets

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