News tagged with elliptical galaxies

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How massive can black holes get?

Without the light pressure from nuclear fusion to hold back the mass of the star, the outer layers compress inward in an instant. The star dies, exploding violently as a supernova.

dateAug 11, 2015 in Astronomy
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Spitzer finds galaxy with split personality

( -- While some galaxies are rotund and others are slender disks like our spiral Milky Way, new observations from NASA's Spitzer Space Telescope show that the Sombrero galaxy is both. The galaxy, which is a round ...

dateApr 25, 2012 in Astronomy
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How big are galaxies?

I'm going to refrain from the initial response that comes to mind… actually, no I won't—they're really, really, really big!!!!

dateApr 03, 2013 in Astronomy
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Most elliptical galaxies are 'like spirals'

( -- The majority of 'elliptical' galaxies are not spherical but disc-shaped, resembling spiral galaxies such as our own Milky Way with the gas and dust removed, new observations suggest.

dateJun 20, 2011 in Astronomy
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Image: Hot gas sloshing in a galactic cauldron

( —Galaxies are social beasts that are mostly found in groups or clusters – large assemblies of galaxies that are permeated by even larger amounts of diffuse gas. With temperatures of 10 million degrees or more, ...

dateNov 19, 2013 in Astronomy
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