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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth 5nvklj





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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth

Dragon
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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth Empty Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth

Post by Dragon Fri Feb 25, 2022 2:01 am

If you like looking at weirdly shaped galaxies, there’s no better place than the “Arp Catalogue of Peculiar Galaxies.”

Compiled by astronomer Halton Arp in 1966, the catalog is a compendium of 338 oddball interacting galaxies.

But Arp didn’t compile the catalogue just to show off galaxies that look strange.

He thought these peculiar galaxies were excellent laboratories to study the physical processes that distort normal-looking elliptical and spiral galaxies.

He was one of the first to suggest galactic encounters could form stars in bursts.

His view contrasted with those of many astronomers during the 1960s, who wrote off misshapen galaxies as mere oddities.

They believed in a “cookie-cutter” universe, that most galaxies were orderly and symmetrical.

But Arp believed in a different kind of universe, one filled with violence and birth.


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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth 334pu7m
Dragon
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Post by Dragon Fri Feb 25, 2022 2:06 am

Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth Arp-143-1536x1024
Credit: NASA, ESA, STScI, Julianne Dalcanton Center for Computational Astrophysics, Flatiron Inst. / UWashington, Joseph DePasquale (STScI)

A spectacular head-on collision between two galaxies fueled the unusual triangular-shaped star-birthing frenzy, as captured in a new image from NASA’s Hubble Space Telescope.

The interacting galaxy duo is collectively called Arp 143.

The pair contains the glittery, distorted, star-forming spiral galaxy NGC 2445 at right, along with its less flashy companion, NGC 2444 at left.


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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth 334pu7m
Dragon
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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth Empty Re: Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth

Post by Dragon Fri Feb 25, 2022 2:07 am



Galaxy Collision Creates “Space Triangle” in New Hubble Image


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Head-On Collision Between Two Galaxies Creates a Tsunami of Starbirth 334pu7m

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