Neutron Stars Current Events | Neutron Stars News | 11
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A Tale of Two Populations
VLT FLAMES Finds Hints of Helium-Richest Stars Ever Seen view more (2005-03-15)
How do massive stars form?
Massive stars play a key role in the chemical and dynamical evolution of galaxies. The way massive stars form is still much debated among the astronomers' community: it is currently one of the hottest astrophysical topics. view more (2005-11-09)
Ultracold test produces long-sought quantum mix
In the bizarre and rule-bound world of quantum physics, every tiny spec of matter has something called "spin"-an intrinsic trait like eye color-that cannot be changed and which dictates, very specifically, what other bits of matter the spec can share quantum space with. view more (2005-12-23)
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 paper published today in Science Express. view more (2009-07-10)
NIST's new advanced imaging facility peers inside hydrogen fuel cells
Thanks to a new and improved imaging instrument at the Commerce Department's National Institute of Standards and Technology (NIST), scientists now can conduct detailed surveillance on the comings and goings of water inside hydrogen fuel cells-a piece of intelligence key to making the technology practical for powering future automobiles. view more (2006-08-21)
Hubble shows 'baby' galaxy is not so young after all
The NASA/ESA Hubble Space Telescope has found out the true nature of a dwarf galaxy that astronomers had for a long time identified as one of the youngest galaxies in the Universe. Astronomers using the NASA/ESA Hubble Space Telescope have made observations of the galaxy I Zwicky 18 which seem to indicate that it is in fact much older and much... view more... (2007-10-17)
XMM-Newton reveals X-rays from gas streams around young stars
XMM-Newton has surveyed nearly two hundred stars under formation to reveal, contrary to expectations, how streams of matter fall onto the young stars' magnetic atmospheres and radiate X-rays. view more (2007-06-01)
NASA scientists identify smallest known black hole
Using a new technique, two NASA scientists have identified the lightest known black hole. With a mass only about 3.8 times greater than our Sun and a diameter of only 15 miles, the black hole lies very close to the minimum size predicted for black holes that originate from dying stars. view more (2008-04-02)
Stellar birth control in the early universe
An international team of astronomers based at Yale and Leiden University in The Netherlands found that "old stars" dominated many large galaxies in the early universe, raising the new question of why these galaxies progressed into "adulthood" so early in the life of the universe. view more (2006-10-02)
Keck Study Sheds New Light on 'Dark' Gamma-ray Bursts
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. view more (2009-06-09)
Setting stars reveal planetary secrets
Watching the stars set from the surface of the Earth may be a romantic pastime but when a spacecraft does it from orbit, it can reveal hidden details about a planet's atmosphere. view more (2007-11-06)
Exploring Mars ... from Grenoble
A neutron diffraction experiment carried out recently at the Institut Laue-Langevin in Grenoble by the physicists Bachir Ouladdiaf (ILL), Gérard Fillion and Rafik Ballou (Laboratoire Lois Néel, CNRS, GRENOBLE), in partnership with the geophysicists Pierre Rochette (CNRS and Université d'Aix-Marseille) and Lon Hood (University... view more... (2004-03-18)
First black holes kept to a strict diet, study shows
A new supercomputer simulation designed to track the fate of the universe's first black holes finds that, counter to expectations, they couldn't efficiently gorge themselves on nearby gas. view more (2009-08-11)
Structure of liquid alumina determined for first time
The structure of liquid alumina has been determined for the very first time by scientists at the University of Wales, Aberystwyth (UWA). At over two thousand degrees, this is the hottest liquid to reveal where its atoms are to be found (Physical Review Letters, Volume 86, Number 21, May 2001). The extremely high temperature at which alumina [a... view more... (2001-05-31)
Origins of Pompeii-style artifacts examined at ISIS
Roman artefacts which are nearly two thousand years old with similarities to ancient remains found at Pompeii in Italy have been examined at the Science and Technology Facilities Council's ISIS neutron source (21-22 February). view more (2009-02-25)
Hubble finds that "blue blobs" in space are orphaned clusters of stars
Hubble has revealed that mysterious "blue blobs" in a structure called Arp's Loop between M81 and M82 are blue clusters of stars less than 200 million years old with many stars as young as, and even younger than, 10 million years. view more (2008-01-09)
Astronomers find grains of sand around distant stars
In a find that sheds light on how Earth-like planets may form, astronomers this week reported finding the first evidence of small, sandy particles orbiting a newborn solar system at about the same distance as the Earth orbits the sun. The report will be published online this week by the journal Nature. view more (2008-03-13)
Into the Epoch of Galaxy Formation
Current theories hypothesize that more than 80% of all stars ever formed were assembled in galaxies during the latter half of the elapsed lifetime of the Universe, i.e., during the past 7-8 billion years. view more (2000-02-17)
Dwarf galaxies need dark matter too, U-M astronomers say
Stars in dwarf spheroidal galaxies behave in a way that suggests the galaxies are utterly dominated by dark matter, University of Michigan astronomers have found. view more (2007-10-25)
Astronomers discover new kind of black-hole explosion
Scientists have discovered what appears to be a new kind of cosmic explosion - a "hybrid gamma-ray burst" - which will be the subject of four articles to be published in the journal Nature on 21 December 2006. view more (2006-12-21)
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