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Astronomy News
June 25, 2023

Top Headlines

Detection of an Echo Emitted by Our Galaxy's Black Hole 200 Years Ago

An international team of scientists has discovered that Sagittarius A* (Sgr A*), the supermassive black hole at the centre of the Milky Way, emerged from a long period of dormancy some 200 years ago. The team, led by Frédéric Marin, a CNRS researcher at the Astronomical Strasbourg Observatory ...

Einstein and Euler Put to the Test at the Edge of the Universe

The cosmos is a unique laboratory for testing the laws of physics, in particular those of Euler and Einstein. Euler described the movements of celestial objects, while Einstein described the way in which celestial objects distort the Universe. Since the discovery of dark matter and the acceleration ...

分子丝保护年轻的太阳系摇来摇去m Supernova

同位素比值在陨石上发现表明supernova exploded nearby while the Sun and Solar System were still forming. But the blast wave from a supernova that close could have potentially destroyed the nascent Solar System. New calculations shows that a filament of molecular gas, which is ...

Never-Before-Seen Way to Annihilate a Star

Astronomers studying a powerful gamma-ray burst, may have detected a never-before-seen way to destroy a star. Unlike most GRBs, which are caused by exploding massive stars or the chance mergers of neutron stars, astronomers have concluded that this GRB came instead from the collision of stars or ...
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Sun's Coldest Region Stores Secret to Heating Million-Degree Corona

Researchers have unveiled the discovery of intense wave energy from a relatively cool, dark and strongly magnetized plasma region on the Sun, capable of traversing the solar atmosphere and ...

Key Building Block for Life Found at Saturn's Moon Enceladus

The search for extraterrestrial life in our solar system just got more exciting. A team of scientists has discovered new evidence that the subsurface ocean of Saturn's moon Enceladus contains a ...

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 ...

'Hot Jupiters' May Not Be Orbiting Alone

Astronomers challenge longstanding beliefs about the isolation of 'hot Jupiters' and proposes a new mechanism for understanding the exoplanets' ...

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 ...

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 ...

NIRISS Instrument on Webb Maps an Ultra-Hot Jupiter's Atmosphere

There's an intriguing exoplanet out there -- 400 light-years out there -- that is so tantalizing that astronomers have been studying it since its discovery in 2009. One orbit for WASP-18 b ...

Towering Plume of Water Escaping from Saturn Moon

Scientists have observed a towering plume of water vapor more than 6,000 miles long -- roughly the distance from the U.S. to Japan -- spewing from the surface of Saturn's moon, ...

Astronomers Discover Last Three Planets Kepler Telescope Observed Before Going Dark

With the help of citizen scientists, astronomers discovered what may be the last three planets that the Kepler Space Telescope saw before it was ...

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