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Stars Current Events and Stars News from Brightsurf

Stars Current Events and Stars News Events, Discoveries and Articles from Brightsurf

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Stellar thief is the surviving companion to a supernova

Thu, 26 Apr 18 00:08:40 -0700

Hubble found the most compelling evidence that some supernovas originate in double-star systems.

Searching for a nursing home and don't know where to turn?

Thu, 26 Apr 18 00:14:20 -0700

A USC study concludes that consumers on the hunt for a nursing home should consider the ratings from Yelp and government sites such as Nursing Home Compare to get a more complete picture of a home's quality and care.

To see the first-born stars of the universe

Wed, 25 Apr 18 00:14:40 -0700

ASU-led team aims to use new NASA space telescope to capture light from the first stars to be born in the universe.

NASA's James Webb Space Telescope could potentially detect the first stars and black holes

Wed, 25 Apr 18 00:16:00 -0700

The first stars in the universe blazed to life about 200 to 400 million years after the big bang. Observing those very first individual stars across such vast distances of space normally would be a feat beyond any space science telescope. However, new theoretical work suggests that under the right circumstances, and with a little luck, NASA's upcoming James Webb Space Telescope will be able to capture light from single stars within that first generation of stars.

Assembly of massive galaxy cluster witnessed for the first time

Wed, 25 Apr 18 00:05:10 -0700

For the first time, astronomers have witnessed the birth of a colossal cluster of galaxies. Their observations reveal at least 14 galaxies packed into an area only four times the diameter of the Milky Way's galactic disk. Computer simulations of the galaxies predict that over time the cluster will assemble into one of the most massive structures in the modern universe.

Astronomers witness galaxy megamerger

Wed, 25 Apr 18 00:04:40 -0700

Using the Atacama Large Millimeter/submillimeter Array (ALMA), an international team of scientists has uncovered a startlingly dense concentration of 14 galaxies that are poised to merge, forming the core of what will eventually become a colossal galaxy cluster.

New mechanism of radio emission in neutron stars revealed

Tue, 24 Apr 18 00:08:50 -0700

Young scientists from ITMO University have explained how neutron stars generate intense directed radio emission. They developed a model based on the transitions of particles between gravitational states, i.e. quantum states in gravitational field. The researchers were the first to describe such states for electrons on the surface of neutron stars. Physical parameters obtained with the developed model are consistent with real experimental observations. The results are published in The Astrophysical Journal.

Milky Way's supermassive black hole may have 'unseen' siblings

Tue, 24 Apr 18 00:00:20 -0700

In a new study published in the Astrophysical Journal Letters, researchers from Yale, the University of Washington, Institut d'Astrophysique de Paris, and University College London predict that galaxies with a mass similar to the Milky Way should host several supermassive black holes.

Galaxies grow bigger and puffier as they age: New study

Mon, 23 Apr 18 00:09:10 -0700

A new international study involving the Australian National University and the University of Sydney has found that galaxies grow bigger and puffier as they age.

Hubble celebrates 28th anniversary with a trip through the Lagoon Nebula

Thu, 19 Apr 18 00:09:50 -0700

This colorful cloud of glowing interstellar gas is just a tiny part of the Lagoon Nebula, a vast stellar nursery. This nebula is a region full of intense activity, with fierce winds from hot stars, swirling chimneys of gas, and energetic star formation all embedded within a hazy labyrinth of gas and dust. Hubble used both its optical and infrared instruments to study the nebula, which was observed to celebrate Hubble's 28th anniversary.

Two Hubble views of the same stellar nursery

Thu, 19 Apr 18 00:09:40 -0700

These NASA Hubble Space Telescope images compare two diverse views of the roiling heart of a vast stellar nursery, known as the Lagoon Nebula. The images, one taken in visible and the other in infrared light, celebrate Hubble's 28th anniversary in space.

Black hole and stellar winds form giant butterfly, shut down star formation in galaxy

Wed, 18 Apr 18 00:08:10 -0700

Researchers at the University of Colorado Boulder have completed an unprecedented 'dissection' of twin galaxies in the final stages of merging. The new study, led by CU Boulder research associate Francisco Müller-Sánchez, explores a galaxy called NGC 6240. While most galaxies in the universe hold only one supermassive black hole at their center, NGC 6240 contains two -- and they're circling each other in the last steps before crashing together.

350,000 stars' DNA interrogated in search for sun's lost siblings

Tue, 17 Apr 18 00:10:00 -0700

An international team of astronomers has revealed the 'DNA' of more than 350,000 stars in the Milky Way, which should help them find the siblings of the sun, now scattered across the sky. This is the first major announcement of an ambitious survey as part of a quest to uncover the formulation and evolution of galaxies -- after the Australian-led Galactic Archaeology survey, called GALAH, commenced three years ago.

Once upon a time, an exoplanet was discovered

Mon, 16 Apr 18 00:14:20 -0700

In recent history, a very important achievement was the discovery, in 1995, of 51 Pegasi b, the first extrasolar planet ever found around a normal star other than the Sun. In a paper published in EPJ H, Davide Cenadelli from the Aosta Valley Astronomical Observatory (Italy) interviews Michel Mayor from Geneva Observatory (Switzerland) about his personal recollections of discovering this exoplanet.


Mon, 16 Apr 18 00:06:10 -0700

UCSB physicists team up with Caltech astronomers to commission the most advanced camera in the world.

The background hum of space could reveal hidden black holes

Thu, 12 Apr 18 00:01:30 -0700

Deep space is not as silent as we have been led to believe. Every few minutes a pair of black holes smash into each other. These cataclysms release ripples in the fabric of spacetime known as gravitational waves. Now Monash University scientists have developed a way to listen in on these events. The new technique is expected to reveal the presence of thousands of previously hidden black holes.

An amazingly wide variety of disks

Thu, 12 Apr 18 00:08:10 -0700

With an instrument at the Very Large Telescope in Chile scientists of ETH Zurich observed planet-forming disks around young stars similar to the sun 4,5 billion years ago. Surprisingly, the disks are very different. The data will help to shed more light on the formation processes of planets.

Circumbinary castaways: Short-period binary systems can eject orbiting worlds

Thu, 12 Apr 18 00:10:40 -0700

Planets orbiting 'short-period' binary stars, or stars locked in close orbital embrace, can be ejected off into space as a consequence of their host stars' evolution, according to new research from the University of Washington.

SPHERE reveals fascinating zoo of discs around young stars

Wed, 11 Apr 18 00:16:10 -0700

New images from the SPHERE instrument on ESO's Very Large Telescope are revealing the dusty discs surrounding nearby young stars in greater detail than previously achieved. They show a bizarre variety of shapes, sizes and structures, including the likely effects of planets still in the process of forming.

Outback radio telescope listens in on interstellar visitor

Tue, 10 Apr 18 00:16:10 -0700

A telescope in outback Australia has been used to listen to a mysterious cigar-shaped object that entered our Solar System late last year. When 'Oumuamua was first discovered, astronomers thought it was a comet or an asteroid from within the Solar System. But after studying its orbit and discovering its long, cylindrical shape, they realised 'Oumuamua was neither and had come from interstellar space.

The largest catalog ever published of very high energy gamma ray sources in the galaxy
The HESS international collaboration, to which CNRS and CEA contribute, has published the results of 15 years of gamma ray observations of the Milky Way. Its telescopes installed in Namibia have studied populations of pulsar wind nebulae and supernova remnants, as well as microquasars, never before detected in gamma rays. Fourteen articles, making up the largest ever set of scientific results in this field, are published on April 9, 2018, in a special issue of the journal Astronomy