News tagged with galaxy evolution

Related topics: hubble space telescope , galaxies , supermassive black hole

Gaseous halos of galaxies are much larger, more massive than the distribution of stars within the galaxy

New, high-precision equipment orbiting Earth aboard the Hubble Space Telescope is now sending such rich data back to astronomers, some feel they are crossing the final frontier toward understanding galaxy ...

Space & Earth / Astronomy

created Nov 17, 2011 | popularity 4.8 / 5 (9) | comments 29 | with audio podcast

Astronomers pin down galaxy collision rate

(PhysOrg.com) -- A new analysis of images from the Hubble Space Telescope combined with supercomputer simulations of galaxy collisions has cleared up years of confusion about the rate at which smaller galaxies ...

Space & Earth / Astronomy

created Oct 27, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

Small distant galaxies host supermassive black holes

(PhysOrg.com) -- Using the Hubble Space Telescope to probe the distant universe, astronomers have found supermassive black holes growing in surprisingly small galaxies. The findings suggest that central black ...

Space & Earth / Astronomy

created Sep 15, 2011 | popularity 4.2 / 5 (10) | comments 28 | with audio podcast

Raging storms sweep away galactic gas

(PhysOrg.com) -- ESA's Herschel infrared space observatory has detected raging winds of molecular gas streaming away from galaxies. Suspected for years, these outflows may have the power to strip galaxies ...

Space & Earth / Astronomy

created May 09, 2011 | popularity 4 / 5 (4) | comments 7 | with audio podcast

Surprise: Dwarf galaxy harbors supermassive black hole

(PhysOrg.com) -- The surprising discovery of a supermassive black hole in a small nearby galaxy has given astronomers a tantalizing look at how black holes and galaxies may have grown in the early history ...

Space & Earth / Astronomy

created Jan 09, 2011 | popularity 4.9 / 5 (15) | comments 9 | with audio podcast

Galaxies Demand a Stellar Recount

(PhysOrg.com) -- For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Like grocery stores selling melons ...

Space & Earth / Astronomy

created Aug 19, 2009 | popularity 4.8 / 5 (16) | comments 17

Discovery poses challenge to galaxy formation theories

A team led by an Indiana University astronomer has found a sample of massive galaxies with properties that suggest that they may have formed relatively recently. This would run counter to the widely-held belief ...

Space & Earth / Astronomy

created Apr 10, 2009 | popularity 4.3 / 5 (24) | comments 30

Galaxies in the young cosmos

(Phys.org) -- The universe was born about 13.7 billion years ago in the big bang. The Sun and its system of planets formed about five billion years ago. What happened, then, during that long, intervening stretch ...

Space & Earth / Astronomy

created May 21, 2012 | popularity 3.5 / 5 (2) | comments 9 | with audio podcast

Is a new form of life really so alien?

The idea of discovering a new form of life has not only excited astronomers and astrobiologists for decades, but also the wider public. The notion that we are the only example of a successful life form in the galaxy has, ...

Biology / Other

created May 08, 2012 | popularity 3.6 / 5 (12) | comments 34 | with audio podcast

Subaru telescope discovers the most distant protocluster of galaxies

Using the Subaru Telescope, a team of astronomers led by Jun Toshikawa (The Graduate University for Advanced Studies, Japan), Dr. Nobunari Kashikawa (National Astronomical Observatory of Japan), and Dr. Kazuaki ...

Space & Earth / Astronomy

created May 05, 2012 | popularity 4.9 / 5 (7) | comments 4 | with audio podcast

The JCMT celebrates 25 years on top of the world

The James Clerk Maxwell Telescope (JCMT) on Mauna Kea in Hawaii, is celebrating its 25th birthday this week. It first turned its dish to the heavens this week in 1987, and now, a quarter of a century later, ...

Space & Earth / Astronomy

created Apr 28, 2012 | popularity 4.4 / 5 (5) | comments 0 | with audio podcast

Spitzer finds galaxy with split personality

(Phys.org) -- 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, ...

Space & Earth / Astronomy

created Apr 25, 2012 | popularity 4.3 / 5 (3) | comments 11 | with audio podcast

Cosmic 'leaf blower' robs galaxy of star-making fuel

(PhysOrg.com) -- Supernova explosions and the jets of a monstrous black hole are scattering a galaxy's star-making gas like a cosmic leaf blower, a new study finds. The findings, which relied on ultraviolet ...

Space & Earth / Astronomy

created Apr 04, 2012 | popularity 4.6 / 5 (5) | comments 1 | with audio podcast

Galaxy cluster hidden in plain view

(PhysOrg.com) -- A team of astronomers has discovered the most distant cluster of red galaxies ever observed using FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope. The ...

Space & Earth / Astronomy

created Mar 06, 2012 | popularity 4.8 / 5 (10) | comments 5 | with audio podcast

ALMA early science result reveals starving galaxies

(PhysOrg.com) -- Astronomers using the partially completed ALMA observatory have found compelling evidence for how star-forming galaxies evolve into 'red and dead' elliptical galaxies, catching a large group ...

Space & Earth / Astronomy

created Jan 11, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast