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Astrophysics News
July 3, 2023

Top Headlines

First 'Ghost Particle' Image of Milky Way

Scientists have revealed a uniquely different image of our galaxy by determining the galactic origin of thousands of neutrinos -- invisible 'ghost particles' which exist in great quantities but normally pass straight through Earth undetected. The neutrino-based image of the Milky Way is the first ...

Unveiling the Origins of Merging Black Holes in Galaxies Like Our Own

黑洞,一些最迷人的实体in the cosmos, possess an immense gravitational pull so strong that not even light can escape. The groundbreaking detection of gravitational waves in 2015, caused by the coalescence of two black holes, opened a new window into the universe. Since ...

Earliest Strands of the Cosmic Web

Galaxies are not scattered randomly across the universe. They gather together not only into clusters, but into vast interconnected filamentary structures with gigantic barren voids in between. This 'cosmic web' started out tenuous and became more distinct over time as gravity drew matter ...

Gravitational Waves from Colossal Black Holes Found Using 'Cosmic Clocks'

You can't see or feel it, but everything around you -- including your own body -- is slowly shrinking and expanding. It's the weird, spacetime-warping effect of gravitational waves passing through our galaxy. New results are the first evidence of the gravitational wave background -- a sort of soup ...
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New Image from James Webb Space Telescope Reveals Astonishing Saturn and Its Rings

土星的光环似乎出奇的发光incredible infrared picture, which also unveils unexpected features in Saturn's atmosphere. This image serves as context for an observing ...

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 ...

DESI Early Data Release Holds Nearly Two Million Objects

The first batch of data from the Dark Energy Spectroscopic Instrument is now available for researchers to explore. Taken during the experiment's 'survey validation' phase, the data ...

Flaring Star Could Be Down to Young Planet's Disc Inferno

New simulations offer new explanation for star's 85-year flare. In this scenario, a young giant planet is burning up very close to its star, suggesting solar systems may have hosted many of such ...

A New Tatooine-Like Multi-Planetary System Identified

An international team of astronomers has announced the second-ever discovery of a multiplanetary circumbinary ...

Astronomers Discover Supernova Explosion Through Rare 'Cosmic Magnifying Glasses'

An international team of scientists recently discovered an exceptionally rare gravitationally lensed supernova, which the team named 'SN Zwicky.' Located more than 4 billion light years ...

Using Photosynthesis for Martian Occupation -- While Making Space Travel More Sustainable

Researchers are working on sustainable technology to harvest solar power in space -- which could supplement life support systems on the Moon and ...

Elusive Planets Play 'Hide and Seek' With CHEOPS

Astronomers have clearly identified the existence of four new exoplanets. The four mini-Neptunes are smaller and cooler, and more difficult to find than the so-called Hot Jupiter exoplanets which ...

What Made the Brightest Cosmic Explosion of All Time So Exceptional?

Last year, telescopes around the world registered the brightest cosmic explosion of all time. Astrophysicists can now explain what made it so ...

New Study Identifies Mechanism Driving the Sun's Fast Wind

Researchers used data from NASA's Parker Solar Probe to explain how the solar wind is capable of surpassing speeds of 1 million miles per hour. They discovered that the energy released from the ...

First Detection of Secondary Supermassive Black Hole in a Well-Known Binary System

An international team of astronomers observed the second one of the two supermassive black holes circling each other in an active galaxy OJ ...

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Webb Space Telescope Detects Universe's Most Distant Complex Organic Molecules

Researchers have detected complex organic molecules in a galaxy more than 12 billion light-years away from Earth -- the most distant galaxy in which these molecules are now known to exist. Thanks to ...

NASA's Webb Space Telescope Peers Behind Bars

A delicate tracery of dust and bright star clusters threads across this image from the James Webb Space Telescope. The bright tendrils of gas and stars belong to the barred spiral galaxy NGC 5068, ...

Dying Stars' Cocoons Could Be New Source of Gravitational Waves

Although astrophysicists theoretically should be able to detect gravitational waves from a single, non-binary source, they have yet to uncover these elusive signals. Now researchers suggest looking ...

Early Universe Crackled With Bursts of Star Formation, Webb Shows

Among the most fundamental questions in astronomy is: How did the first stars and galaxies form? NASA's James Webb Space Telescope is already providing new insights into this question. One of ...

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 ...

Mysterious Dashes Revealed in Milky Way's Center

In the early 1980s, astronomers discovered gigantic, one-dimensional filaments dangling vertically near Sagittarius A*, our galaxy's central supermassive black hole. Now, astronomers have ...

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 ...

Quest for Alien Signals in the Heart of the Milky Way Takes Off

A graduate student is spearheading an extraordinary scientific endeavor -- a groundbreaking mission to uncover periodic signals emanating from the core of the Milky Way called the Breakthrough Listen ...

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