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Cosmic Rays News
July 27, 2023

Top Headlines

坚持或反弹:大小决定了the Stickiness of Cosmic Dust Aggregates

Current evidence suggests that microparticles of cosmic dust collide and stick together to form larger dust aggregates that may eventually combine and develop into planets. Numerical models that accurately characterize the conditions required for ...

Search for Dark Matter

Scientists have applied a promising new method to search for dark matter particles in a particle accelerator. The method is based on the observation of the spin polarization of a particle beam in a storage ring ...

Record-Breaking Team of Citizen Scientists Contribute Data on Pinwheel Galaxy Supernova

Citizen scientists have set a new record for the SETI Institute and Unistellar, comprising the highest number of observers providing data on a single event. Amateur astronomers conducted a groundbreaking observation of supernova (SN) 2023ixf. The ...

Astrophysicists Propose a New Way of Measuring Cosmic Expansion: Lensed Gravitational Waves

The universe is expanding; we've had evidence of that for about a century. But just how quickly celestial objects are receding from each other is still up for ...
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Eventually Everything Will Evaporate, Not Only Black Holes

New theoretical research has shown that Stephen Hawking was likely right about black holes, although not completely. Due to Hawking radiation, black holes will eventually evaporate, but the event ...

Astrophysicists Confirm the Faintest Galaxy Ever Seen in the Early Universe

After the Big Bang, the universe expanded and cooled sufficiently for hydrogen atoms to form. In the absence of light from the first stars and galaxies, the universe entered a period known as the ...

Under Pressure: Foundations of Stellar Physics and Nuclear Fusion Investigated

Research using the world's most energetic laser has shed light on the properties of highly compressed matter -- essential to understanding the structure of giant planets and stars, and to ...

New Study Provides Novel Insights Into the Cosmic Evolution of Amino Acids

All biological amino acids on Earth appear exclusively in their left-handed form, but the reason underlying this observation is elusive. Recently, scientists uncovered new clues about the cosmic ...

Helium Nuclei Research Advances Our Understanding of Cosmic Ray Origin and Propagation

The latest observations from Low Earth Orbit with the International Space Station provide further evidence of spectral hardening and softening of cosmic ray ...

Element Creation in the Lab Deepens Understanding of Surface Explosions on Neutron Stars

Scientists working in the lab have produced a signature nuclear reaction that occurs on the surface of a neutron star gobbling mass from a companion star. Their achievement improves understanding of ...

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An X-Ray Look at the Heart of Powerful Quasars

Researchers have observed the X-ray emission of the most luminous quasar seen in the last 9 billion years of cosmic history, known as SMSS J114447.77-430859.3, or J1144 for short. The new perspective ...

Astronomers Observe the First Radiation Belt Seen Outside of Our Solar System

Astronomers have described the first radiation belt observed outside our solar system, using a coordinated array of 39 radio dishes from Hawaii to Germany to obtain high-resolution images. The images ...

Astronomers Reveal the Largest Cosmic Explosion Ever Seen

Astronomers have uncovered the largest cosmic explosion ever witnessed. The explosion is more than ten times brighter than any known supernova and three times brighter than the brightest tidal ...

隐藏的超大质量黑洞的生命Galaxies on Collision Course

Astronomers have found that supermassive black holes obscured by dust are more likely to grow and release tremendous amounts of energy when they are inside galaxies that are expected to collide with ...

Neutron Star's X-Rays Reveal 'Photon Metamorphosis'

A 'beautiful effect' predicted by quantum electrodynamics (QED) can explain the puzzling first observations of polarized X-rays emitted by a magnetar -- a neutron star featuring a powerful ...

A Stormy, Active Sun May Have Kickstarted Life on Earth

The first building blocks of life on Earth may have formed thanks to eruptions from our Sun, a new study finds. A series of chemical experiments show how solar particles, colliding with gases in ...

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Astronomers Detect 'Nearby' Black Hole Devouring a Star

Astronomers have discovered a new 'tidal disruption event,' in which the center of a galaxy lights up as its supermassive black hole rips apart a passing star. The outburst is the closest ...

Medium-Sized Black Holes Eat Stars Like Messy Toddlers

In new 3D computer simulations, astrophysicists modeled black holes of varying masses and then hurled stars (about the size of our sun) past them to see what might happen. If they exist, ...

Hubble Sees Possible Runaway Black Hole Creating a Trail of Stars

There's an invisible monster on the loose, barreling through intergalactic space so fast that if it were in our solar system, it could travel from Earth to the Moon in 14 minutes. This ...

Galaxy Clusters Yield New Evidence for Standard Model of Cosmology

A new study probing the structure and evolution of galaxy clusters shows good agreement with the predictions of standard cosmological ...

Astronomers Witness the Birth of a Very Distant Cluster of Galaxies from the Early Universe

Astronomers have discovered a large reservoir of hot gas in the still-forming galaxy cluster around the Spiderweb galaxy -- the most distant detection of such hot gas yet. Galaxy clusters are some of ...

Brightest Gamma-Ray Burst Ever Observed Reveals New Mysteries of Cosmic Explosions

科学家认为,伽马射线发射,lasted over 300 seconds, is the birth cry of a black hole, formed as the core of a massive and rapidly spinning star collapses under its own ...

Surprisingly Simple Explanation for the Alien Comet 'Oumuamua's Weird Orbit

When the first interstellar comet ever seen in our solar system was discovered in 2017, one characteristic -- an unexplained acceleration away from the sun -- sparked wild speculation, including that ...

Galaxy Changes Classification as Jet Changes Direction

A team of international astronomers have discovered a galaxy that has changed classification due to unique activity within its core. The galaxy, named PBC J2333.9-2343, was previously classified as a ...

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