News tagged with massive
Smoke from Whitewater-Baldy Complex fire affecting 6 states
(Phys.org) -- The Whitewater-Baldy Complex fires burning and rugged terrain in the Gila National Forest in western New Mexico have been generating a lot of smoke. The smoke has now been swept up by a cold ...
Space & Earth / Earth Sciences
May 28, 2012 |
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Lying in wait for WIMPs: Researchers seek to dramatically increase sensitivity of Large Underground Xenon detector
Although it's invisible, dark matter accounts for at least 80 percent of the matter in the universe. No one knows what it is, but most scientists would bet on weakly interacting massive particles, or WIMPs.
May 23, 2012 |
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A planetary system that never was teaches about those that may be
While Kepler and similar missions are turning up planets by the fist full, there’s long been many places that astronomers haven’t expected to find planetary systems. The main places include regions ...
May 23, 2012 |
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A supernova cocoon breakthrough
(Phys.org) -- Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery ...
May 15, 2012 |
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Cygnus-X: the cool swan glowing in flight
(Phys.org) -- Chaotic networks of dust and gas signpost the next generations of massive stars in this stunning new image of the Cygnus-X star-nursery captured by ESA’s Herschel space observatory. ...
May 10, 2012 |
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Massive black holes halt star birth in distant galaxies
Astronomers, using the European Space Agency's (ESA) Herschel Space Observatory, have shown that the number of stars that form during the early lives of galaxies may be influenced by the massive black holes ...
May 09, 2012 |
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Diagnosing a black hole flare
(Phys.org) -- Black holes can come in a wide range of masses. Some, with only about one solar mass, result from the supernova death of a massive star, while those at the center of galaxies (called supermassive ...
May 07, 2012 |
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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 ...
May 05, 2012 |
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Old star, new trick
The Big Bang produced lots of hydrogen and helium and a smidgen of lithium. All heavier elements found on the periodic table have been produced by stars over the last 13.7 billion years. Astronomers analyze starlight to determine ...
Apr 30, 2012 |
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Did exploding stars help life on Earth to thrive?
(Phys.org) -- Research by a Danish physicist suggests that the explosion of massive stars – supernovae – near the Solar System has strongly influenced the development of life. Prof. Henrik Svensmark ...
Apr 24, 2012 |
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A new paradigm for active galactic nuclei
(Phys.org) -- Seyfert galaxies are similar to normal galaxies like our own Milky Way except in one critical respect: their nuclei are fantastically bright, in extreme instances as luminous as 100 billion suns. ...
Apr 24, 2012 |
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In the Greek isles, a volcano has awakened
In 1650 B.C.E., a series of massive volcanic eruptions decimated the ancient seafaring Minoan civilization. Over the next 4 millennia, the largely subaquatic Santorini caldera had a series of smaller eruptions, with five ...
Space & Earth / Earth Sciences
Apr 23, 2012 |
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Warning signs from ancient Greek tsunami
In the winter of 479 B.C., a tsunami was the savior of Potidaea, drowning hundreds of Persian invaders as they lay siege to the ancient Greek village. New geological evidence suggests that the region may still ...
Space & Earth / Earth Sciences
Apr 19, 2012 |
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The lives of stars, or astronomers as paparazzi
Stars live for a long time, with even the most massive stars having lifetimes measured in millions of years. But, for a mere few thousand years towards the end of their lives, some massive stars go through ...
Apr 17, 2012 |
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Hubble's panoramic view of a turbulent star-making region
(Phys.org) -- Several million stars are vying for attention in this NASA/ESA Hubble Space Telescope image of a raucous stellar breeding ground in 30 Doradus, located in the heart of the Tarantula nebula.
Apr 17, 2012 |
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