News tagged with galaxy formation

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Dusty substructure in a galaxy far far away

Scientists at the Max Planck Institute for Astrophysics (MPA) have combined high-resolution images from the ALMA telescopes with a new scheme for undoing the distorting effects of a powerful gravitational lens in order to ...

dateApr 01, 2015 in Astronomy
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Are ultra-luminous galaxies colliding?

(Phys.org) —ltra-luminous infrared galaxies ((ULIRGs) are galaxies whose luminosity exceeds that of a trillion suns, By way of comparison, our Milky Way galaxy has a typical modest luminosity of only about ten billion suns. ...

dateJun 27, 2014 in Astronomy
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The rise and fall of galactic cities

(Phys.org) —In the fable of the town and country mice, the country mouse visits his city-dwelling cousin to discover a world of opulence. In the early cosmos, billions of years ago, galaxies resided in the equivalent of ...

dateDec 19, 2013 in Astronomy
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Forming stars in the early universe

The first stars appeared about one hundred million years after the big bang, and ever since then stars and star formation processes have lit up the cosmos. When the universe was about three billion years old, star formation ...

dateNov 21, 2016 in Astronomy
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Galactic clusters low on hydrogen

Astronomers at Swinburne University of Technology and their international collaborators have found evidence that galaxies that are located in groups might be running out of gas.

dateNov 25, 2013 in Astronomy
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Black hole naps amidst stellar chaos

(Phys.org) —Nearly a decade ago, NASA's Chandra X-ray Observatory caught signs of what appeared to be a black hole snacking on gas at the middle of the nearby Sculptor galaxy. Now, NASA's Nuclear Spectroscopic Telescope ...

dateJun 11, 2013 in Astronomy
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