News tagged with compact stars
New technique improves estimates of pulsar ages
Jun 09, 2009 |
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Astronomers at the University of California, Santa Cruz, have developed a new technique to determine the ages of millisecond pulsars, the fastest-spinning stars in the universe.
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Stars forced to relocate near the Southern Fish
Mar 03, 2009 |
4.8 / 5 (4) |
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About 100 million light-years away, in the constellation of Piscis Austrinus (the Southern Fish), three galaxies are playing a game of gravitational give-and-take that might ultimately lead to their merger ...
Very High Energy Gamma Rays
Sep 25, 2009 |
4.5 / 5 (11) |
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(PhysOrg.com) -- Gamma-rays are the most energetic known form of electromagnetic radiation, with each gamma ray being at least one hundred thousand times more energetic than an optical light photon. The most ...
Stars cheek by jowl in the early Universe
Feb 12, 2009 |
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(PhysOrg.com) -- In the early Universe, some galaxies may have had stars packed together a hundred times more closely than in the present day, according to research by a University of Bonn team to be published ...
A Black Hole in Medusa's Hair
Mar 11, 2009 |
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This composite image of the Medusa galaxy (also known as NGC 4194) shows X-ray data from NASA's Chandra X-ray Observatory in blue and optical light from the Hubble Space Telescope in orange. Located above ...
Compact galaxies in early universe pack a big punch
Apr 29, 2008 |
3.9 / 5 (7) |
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Imagine receiving an announcement touting the birth of a baby 50 centimetres long and weighing 80 kilograms. After reading this puzzling message, you would immediately think the baby’s weight was a misprint.
New Vista of Milky Way Center Unveiled
Sep 22, 2009 |
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(PhysOrg.com) -- A dramatic new vista of the center of the Milky Way galaxy from NASA's Chandra X-ray Observatory exposes new levels of the complexity and intrigue in the Galactic center. The mosaic of ...
Antennae Galaxies
May 19, 2008 |
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This image of the Antennae galaxies is the sharpest yet of this merging pair of galaxies. During the course of the collision, billions of stars will be formed. The brightest and most compact of these star ...
Young stellar objects: The source of gas emission around Herbig Ae/Be stars
Oct 10, 2008 |
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This week, Astronomy & Astrophysics is publishing new observations with AMBER/VLTI of the gas component in the vicinity of young stars. An international team of astronomers led by E. Tatulli (Grenoble, France) and S. Kra ...
Hubble captures outstanding views of mammoth stars
Nov 25, 2008 |
4.2 / 5 (30) |
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(PhysOrg.com) -- The image shows a pair of colossal stars, WR 25 and Tr16-244, located within the open cluster Trumpler 16. This cluster is embedded within the Carina Nebula, an immense cauldron of gas and ...
Spitzer Catches Young Stars in Their Baby Blanket of Dust
Feb 11, 2008 |
4.6 / 5 (5) |
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Newborn stars peek out from beneath their natal blanket of dust in this dynamic image of the Rho Ophiuchi dark cloud from NASA's Spitzer Space Telescope.
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