News tagged with galaxies
Related topics: milky way , black holes , star formation , hubble space telescope , stars
Mapping dark matter from galactic ripples
(PhysOrg.com) -- Sukanya Chakrabarti, Ph.D., an assistant professor of physics for the Charles E. Schmidt College of Science at Florida Atlantic University, has developed a way to discover and map dark matter in galaxies. ...
Jan 09, 2012 |
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Not all who wander are lost
(PhysOrg.com) -- Some stars have orbits that take them to interesting places, and they have interesting stories to tell about how they were formed. For more than a decade, the Sloan Digital Sky Survey (SDSS) ...
Jan 09, 2012 |
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James Webb Space Telescope: A year of achievement and success
The James Webb Space Telescope marked a year of significant progress in 2011 as it continues to come together as NASA's next generation space telescope. The year brought forth a pathfinder backplane to support ...
Space & Earth / Space Exploration
Jan 09, 2012 |
3.7 / 5 (3) |
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A universal law for star formation
(PhysOrg.com) -- Star formation is studied by astronomers not only because it produces new stars and planetary systems. It also generates copious amounts of ultraviolet light that heats dust which in turn ...
Jan 09, 2012 |
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Image: Active Galaxy Centaurus A
(PhysOrg.com) -- Resembling looming rain clouds on a stormy day, dark lanes of dust crisscross the giant elliptical galaxy Centaurus A.
Jan 04, 2012 |
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Little galaxies are big on dark matter
Dark matter... It came into existence at the moment of the Big Bang. Within its confines, galaxies formed and evolved. If you add up all the parts contained within any given galaxy you derive its mass, yet ...
Dec 30, 2011 |
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Space Image: Fastest rotating star found in neighboring galaxy
This artist's concept pictures the fastest rotating star found to date.
Dec 30, 2011 |
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Space Image: Ring of fire
(PhysOrg.com) -- This composite image shows the central region of the spiral galaxy NGC 4151. X-rays (blue) from the Chandra X-ray Observatory are combined with optical data (yellow) showing positively charged ...
Dec 28, 2011 |
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Spitzer and Hubble telescopes find rare galaxy at dawn of time
(PhysOrg.com) -- Astronomers using NASA's Spitzer and Hubble space telescopes have discovered that one of the most distant galaxies known is churning out stars at a shockingly high rate. The blob-shaped galaxy, ...
Dec 21, 2011 |
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A 'Rose' made of galaxies
(PhysOrg.com) -- In celebration of the twenty-first anniversary of the Hubble Space Telescope's deployment in April 2011, astronomers at the Space Telescope Science Institute pointed Hubble's eye to an especially ...
Dec 21, 2011 |
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Why silicon-based aliens would rather eat our cities than us: Thoughts on non-carbon astrobiology
Conventional wisdom has long had it that carbon-based life, so common here on earth, must surely be abundant elsewhere; both in our galaxy and the universe as a whole.
Space & Earth / Space Exploration
Dec 21, 2011 |
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Celestial bauble intrigues astronomers
(PhysOrg.com) -- With the holiday season in full swing, a new image from an assembly of telescopes has revealed an unusual cosmic ornament. Data from NASA's Chandra X-ray Observatory and ESA's XMM-Newton have ...
Dec 20, 2011 |
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New insight into the bar in the center of the Milky Way
(PhysOrg.com) -- It sounds like the start of a bad joke: do you know about the bar in the center of the Milky Way Galaxy? Astronomers first recognized almost 80 years ago that the Milky Way Galaxy, around ...
Dec 19, 2011 |
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Ultra-compact dwarf galaxies are bright star clusters
(PhysOrg.com) -- Astronomy & Astrophysics is publishing a new statistical study of the so-called 'ultra-compact dwarf galaxies' (UCDs), which are still mysterious objects. A team of astronomers has invest ...
Dec 19, 2011 |
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How can growing galaxies stay silent?
Beginning around 2005, astronomers began discovering the presence of very large galaxies at a distance of around 10 billion lightyears. But while these galaxies were large, they didn’t appear to have ...
Dec 19, 2011 |
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