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NASA News
June 29, 2023

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Life After Death: Astronomers Find a Planet That Shouldn't Exist

明星会膨胀到p的1.5倍lanet's orbital distance -- engulfing the planet in the process -- before shrinking to its current size at only one-tenth of that ...

Starlight and the First Black Holes: Researchers Detect the Host Galaxies of Quasars in the Early Universe

For the first time, the James Webb Space Telescope has revealed starlight from two massive galaxies hosting actively growing black holes -- quasars -- seen less than a billion years after the Big ...

First Detection of Crucial Carbon Molecule

Scientists detect a new carbon compound in space for the first time. Known as methyl cation (pronounced cat-eye-on) (CH3+), the molecule is important because it aids the formation of more complex carbon-based molecules. Methyl cation was detected in a young star system, with a protoplanetary disk, ...

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 ...
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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, ...

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 ...

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 ...

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 ...

Astronomers Discover a Key Planetary System to Understand the Formation Mechanism of the Mysterious 'Super-Earths'

A study presents the detection of a system of two planets slightly larger than Earth orbiting a cold star in a synchronized dance. Named TOI-2096, the system is located 150 light-years from Earth. ...

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 ...

A Deep Underground Lab Could Hold Key to Habitability on Mars

Tunnels deep underground in North Yorkshire are providing a unique opportunity to study how humans might be able to live and operate on the Moon or on ...

NASA's Hubble Hunts for Intermediate-Sized Black Hole Close to Home

Astronomers have come up with what they say is some of their best evidence yet for the presence of a rare class of 'intermediate-sized' black hole that may be lurking in the heart of the ...

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 ...

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NASA's Spitzer, TESS Find Potentially Volcano-Covered Earth-Size World

Astronomers have discovered an Earth-size exoplanet, or world beyond our solar system, that may be carpeted with volcanoes. Called LP 791-18 d, the planet could undergo volcanic outbursts as often as ...

New Study Puts a Definitive Age on Saturn's Rings -- They're Really Young

Physicists measured the flux of interplanetary dust around Saturn. The researchers concluded that the planet's rings formed less than 400 million years ago, making them much younger than Saturn ...

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 ...

Celestial Monsters at the Origin of Globular Clusters

Globular clusters are the most massive and oldest star clusters in the Universe. They can contain up to 1 million of them. The chemical composition of these stars, born at the same time, shows ...

Measurement of the Universe's Expansion Rate Weighs in on a Longstanding Debate in Physics and Astronomy

A team used a first-of-its-kind technique to measure the expansion rate of the Universe, providing insight that could help more accurately determine the Universe's age and help physicists and ...

Researchers Measure the Light Emitted by a Sub-Neptune Planet's Atmosphere

Researchers observed exoplanet GJ 1214b's atmosphere by measuring the heat it emits while orbiting its host star. Astronomers directly detected the light emitted by a sub-Neptune exoplanet -- a ...

How 1,000 Undergraduates Helped Solve an Enduring Mystery About the Sun

For three years at the height of the COVID-19 pandemic, a group of students spent an estimated 56,000 hours analyzing the behavior of hundreds of solar flares. Their results could help ...

Galactic Bubbles Are More Complex Than Imagined

Astronomers have revealed new evidence about the properties of the giant bubbles of high-energy gas that extend far above and below the Milky Way galaxy's ...

Webb Looks for Fomalhaut's Asteroid Belt and Finds Much More

Astronomers used NASA's James Webb Space Telescope to image the warm dust around a nearby young star, Fomalhaut, in order to study the first asteroid belt ever seen outside of our solar system ...

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