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Monster Galaxies Lose Their Appetite With Age
Our universe is filled with
gobs of galaxies, bound
together by gravity into
larger families called
clusters. Lying at the heart
of most clusters is a
... > full story
When Galaxies Switch Off: Hubble's COSMOS Survey Solves 'Quenched' Galaxy Mystery
Some galaxies hit a point in
their lives when their star
formation is snuffed out,
and they become "quenched".
Quenched galaxies in the
... > full story
Capturing Black Hole Spin Could Further Understanding of Galaxy Growth
Astronomers have found a new
way of measuring the spin in
supermassive black holes,
which could lead to better
understanding about how they
... > full story
Hubble Eyes a Mysterious Old Spiral
A striking cosmic whirl is
the center of galaxy NGC
524, as seen with the
NASA/ESA Hubble Space
Telescope. This galaxy is
located in the constellation
of Pisces, some 90 million
... > full story
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Image of Sun-Approaching Comet ISON
July 25, 2013 — In this Hubble composite image taken in April 2013, the sun-approaching Comet ISON floats against a seemingly infinite backdrop of numerous galaxies and a handful of foreground ... > full story -
Shedding New Light on the Brightest Objects in the Universe
July 24, 2013 — Astrophysicists have documented the immense power of quasar radiation, reaching out for many thousands of light years to the limits of the quasar's ... > full story -
Starburst to Star Bust: Light Shed on Mystery of Missing Massive Galaxies
July 24, 2013 — The cosmic fireworks that characterize a starburst galaxy can abruptly fizzle out after only a relatively brief period of star formation, and astronomers want to know ... > full story -
Hubble Shows Link Between Stars' Ages and Their Orbits in Dense Cluster
July 18, 2013 — Astronomers using NASA's Hubble Space Telescope have determined the orbital motion of two distinct populations of stars in an ancient globular star cluster, offering proof they formed at different ... > full story -
Ripped Apart by a Black Hole: Gas Cloud Makes Closest Approach to Monster at Center of Milky Way
July 17, 2013 — New observations show for the first time a gas cloud being ripped apart by the supermassive black hole at the centre of the galaxy. The cloud is now so stretched that its front part has passed the ... > full story -
Feeding Galaxy Caught in Distant Searchlight
July 5, 2013 — Astronomers have spotted a distant galaxy hungrily snacking on nearby gas. Gas is seen to fall inwards towards the galaxy, creating a flow that both fuels star formation and drives the galaxy's ... > full story -
New Knowledge About Early Galaxies
July 3, 2013 — The early galaxies of the universe were very different from today's galaxies. Using new detailed studies carried out with the ESO Very Large Telescope and the Hubble Space Telescope, researchers have ... > full story -
Inseparable Galactic Twins
July 2, 2013 — Looking towards the constellation of Triangulum (The Triangle), in the northern sky, lies the galaxy pair MRK 1034. The two very similar galaxies, named PGC 9074 and PGC 9071, are close enough to one ... > full story -
NASA Decommissions Its Galaxy Hunter Spacecraft
July 1, 2013 — NASA has turned off its Galaxy Evolution Explorer (GALEX) after a decade of operations in which the venerable space telescope used its ultraviolet vision to study hundreds of millions of galaxies ... > full story -
Intergalactic Magnifying Glasses Could Help Astronomers Map Galaxy Centers
June 30, 2013 — Astronomers may have found a new way to map quasars, the energetic and luminous central regions often found in distant ... > full story
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