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Simulations Illuminate Universe's First Twin Stars
The earliest stars in the
universe formed not only as
individuals, but sometimes
also as twins, according to
a new article in Science. By
creating simulations of the
... > full story
Antimatter Positrons Explain Gamma Ray Mystery In Milky Way Galaxy
Astrophysicists have solved
a mystery that led some
scientists to speculate that
the distribution of certain
gamma rays in our Milky Way
... > full story
Dozens Of Newly Discovered Pulsars Probed By NASA's Fermi Gamma-ray Space Telescope
With NASA's Fermi Gamma-ray
Space Telescope, astronomers
now are getting their best
look at those whirling
stellar cinders known as
... > full story
Super-energetic Bursts Discovered Near Giant Black Hole
Combining gamma-ray
telescopes with the
supersharp radio 'vision' of
the Very Long Baseline Array
showed astronomers the
location from which
... > full story
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New Class Of Pulsars Solve Mystery Of Previously Unidentified Gamma-ray Sources
July 3, 2009 — A new class of pulsars detected by NASA's Fermi Gamma-ray Space Telescope is solving the mystery of previously unidentified gamma-ray sources and helping scientists understand the mechanisms behind ... > full story -
Dense Knots Of Cold Cosmic Dust -- Potential Birthplaces Of New Stars -- Discovered In Inner Regions Of The Milky Way
July 1, 2009 — Astronomers have unveiled an unprecedented new atlas of the inner regions of the Milky Way, our home galaxy, peppered with thousands of previously undiscovered dense knots of cold cosmic dust -- the ... > full story -
Milky Way's Particle Accelerators: Cosmic Rays Accelerated In Remnants Of Exploding Stars
June 26, 2009 — Astronomers have now solved a long-standing mystery of the Milky Way's particle accelerators. They show that cosmic rays from our galaxy are very efficiently accelerated in the remnants of exploded ... > full story -
Galaxies Coming Of Age In Cosmic Blobs
June 25, 2009 — The "coming of age" of galaxies and black holes has been pinpointed, thanks to new data from NASA's Chandra X-ray Observatory and other telescopes. This discovery helps resolve the true nature of ... > full story -
Salt Finding From NASA's Cassini Hints At Ocean Within Saturn Moon
June 24, 2009 — For the first time, scientists working on NASA's Cassini mission have detected sodium salts in ice grains of Saturn's outermost ring. Detecting salty ice indicates that Saturn's moon Enceladus, which ... > full story -
NASA's Mars Odyssey Alters Orbit To Study Warmer Ground
June 24, 2009 — NASA's long-lived Mars Odyssey spacecraft has completed an eight-month adjustment of its orbit, positioning itself to look down at the day side of the planet in mid-afternoon instead of late ... > full story -
Magnetic Field On Bright Star Vega
June 23, 2009 — The first detection of a magnetic field on the bright star Vega has been made. Astronomers clearly observe the magnetically-induced effect in the spectrum of Vega, thereby showing that the star ... > full story -
New Light Shed On 'Dark' Gamma-ray Bursts
June 21, 2009 — Gamma-ray bursts are the universe's biggest explosions, capable of producing so much light that ground-based telescopes easily detect it billions of light-years away. Yet, for more than a decade, ... > full story -
Rare Magnetar Discovered: Giant Eruption Reveals 'Dead' Star
June 16, 2009 — NASA's Swift satellite reported multiple blasts of radiation from a rare object known as a soft gamma repeater, or SGR. Astronomers have discovered a dead star belonging to a rare group: the ... > full story -
Meteorite Grains Divulge Earth's Cosmic Roots
June 16, 2009 — The interstellar stuff that became incorporated into the planets and life on Earth has younger cosmic roots than theories predict, according to ... > full story
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