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Astrophysics 亚博棋牌平台
December 10, 2020

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A new technique may sift out universe's very first gravitational waves. Identifying primordial ripples would be key to understanding conditions of the ...

Space Weather Discovery Puts 'Habitable Planets' at Risk

Stellar flares with a chance of radio bursts: that's the weather from Proxima Centauri. New research suggests exoplanets around red dwarf M-type stars will likely be exposed to coronal mass ...

Scientists Get the Lowdown on Sun's Super-Hot Atmosphere

Images of the sun captured by the IRIS mission show new details of how low-lying loops of plasma are energized, and may also reveal how the hot corona is ...

Key Building Block for Organic Molecules Discovered in Meteorites

Scientists have confirmed the presence in meteorites of a key organic molecule which may have been used to build other organic molecules, including some used by life. The discovery validates theories ...
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Dark Coating Can Reduce Satellite Reflectivity

Observations confirmed that dark coating can reduce satellite reflectivity by half. There are concerns that numerous artificial satellites in orbit could impair astronomical observations, but these ...

Next Step in Simulating the Universe

Researchers have developed a way to accurately represent the behavior of elementary particles called neutrinos in computer simulations of the Universe. The simulation results reveal the effects of ...

Experiments Unravelling the Mystery of Mars' Moon Phobos

There is no weather in space - but there is weathering: Celestial bodies are bombarded by high energy particles. On the Mars moon Phobos, the situation is complicated: It is hit by particles from the ...

The missing dark matter in certain galaxies can be explained by the effects of tidal disruption: the gravity forces of a neighboring massive galaxy, literally tearing the smaller galaxy ...

Earth Faster, Closer to Black Hole, in New Map of Galaxy

Earth 'just got' 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don't worry, this doesn't mean that our ...

Astronomical Instrument Hunts for Ancient Metal

Researchers created a new astronomical instrument that has successfully aided in estimating the abundance of metals in the early universe. The WINERED instrument allows for better observations of ...

Fast-Moving Gas Flowing Away from Young Star Caused by Icy Comet Vaporization

A unique stage of planetary system evolution has been imaged by astronomers, showing fast-moving carbon monoxide gas flowing away from a star system over 400 light years away, a discovery that ...

Puzzling 'Cold Quasar' Forming New Stars in Spite of Active Galactic Nucleus

Using NASA's SOFIA telescope, researchers have found CQ 4479, a galaxy which never had been closely studied before, to be generating new stars in spite of a luminous AGN at the galaxy's ...

Neutrinos Yield First Experimental Evidence of Catalyzed Fusion Dominant in Many Stars

Scientists report the detection of neutrinos from the sun, directly revealing for the first time that the carbon-nitrogen-oxygen (CNO) fusion-cycle is at work in our ...

Blast from the Past

Astronomers have discovered that CK Vulpeculae, first seen as a bright new star in 1670, is approximately five times farther away than previously thought. This makes the 1670 explosion of CK ...

Galaxy Encounter Violently Disturbed Milky Way

The long-held belief that the Milky Way, the galaxy containing Earth and the solar system, is relatively static has been ruptured by fresh cosmic insight. The spiral-shaped disc of stars and planets ...

Milky Way Family Tree

Galaxies formed by the merging of smaller progenitor galaxies. An international team of astrophysicists has succeeded in reconstructing the merger history of our home galaxy, creating a complete ...

Scientists Make Sound-Waves from a Quantum Vacuum at the Black Hole Laboratory

Researchers have developed a new theory for observing a quantum vacuum that could lead to new insights into the behaviour of black ...

Newborn Jets in Distant Galaxies

Comparing data from VLA sky surveys made some two decades apart revealed that the black hole-powered 'engines' at the cores of some distant galaxies have launched new, superfast jets of ...

Blue Ring Nebula: 16-Year-Old Cosmic Mystery Solved, Revealing Stellar Missing Link

Astronomers have solved the 16-year-old mystery surrounding the Blue Ring Nebula - an unusual, large, faint blob of gas with a star at its center. This object is unlike any they'd ever seen ...

Cosmic Flashes Come in All Different Sizes

By studying the site of a spectacular stellar explosion seen in April 2020, scientists have used four European radio telescopes to confirm that astronomy's most exciting puzzle is about to be ...

Building Blocks of Life Can Form Long Before Stars

An international team of scientists have shown that glycine, the simplest amino acid and an important building block of life, can form under the harsh conditions that govern chemistry in ...

Understanding Astrophysics With Laser-Accelerated Protons

Bringing huge amounts of protons up to speed in the shortest distance in fractions of a second -- that's what laser acceleration technology, greatly improved in recent years, can do. An ...

History of Temperature Changes in the Universe Revealed

How hot is the Universe today? How hot was it before? A new study by an international team of researchers suggests that the mean temperature of gas in large structures of the Universe has increased ...

Birth of Magnetar from Colossal Collision Potentially Spotted for First Time

Researchers spotted a short gamma ray burst 10 times brighter than predicted. The mysterious brightness might signal the birth of a rare magnetar, formed from two neutron stars merging, which has ...

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