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Astronomy news
Astronomers provide insights into the hot gaseous halo of galaxy NGC 7793
Using Spektr-RG and Chandra space observatories, Chinese astronomers have investigated a nearby spiral galaxy known as NGC 7793. Results of the new study, published March 13 on the arXiv preprint server, deliver important ...
Image: Hubble captures the Small Magellanic Cloud
Say hello to one of the Milky Way's neighbors! This NASA/ESA Hubble Space Telescope image features a scene from one of the closest galaxies to the Milky Way, the Small Magellanic Cloud (SMC). The SMC is a dwarf galaxy located ...
Astronomy
18 hours ago
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We're one step closer to a giant interferometer on the moon
What's on and in a star? What happens in an active galactic nucleus? Answering those questions is the goal of a proposed giant interferometer on the moon. It's called the Artemis-enabled Stellar Imager (AeSI) and would deploy ...
Astronomy
Mar 24, 2025
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Why can't physicists decide if warp drives are real?
In the years since Miguel Alcubierre came up with a warp drive solution in 1994, you would occasionally see news headlines saying that warp drives can work. And then a few months later you'll see that they've been ruled out. ...
Astronomy
Mar 24, 2025
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Webb unmasks true nature of the 'Cosmic Tornado' spiral galaxy
The NASA/ESA/CSA James Webb Space Telescope has captured a beautiful juxtaposition of the nearby protostellar outflow known as Herbig-Haro 49/50 with a perfectly positioned, more distant spiral galaxy. Due to the close proximity ...
Astronomy
Mar 24, 2025
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Asteroid 2024 YR may not hit Earth in 2032, but it—and others—will keep coming back
In late 2024, astronomers spotted asteroid 2024 YR4 on a trajectory that could potentially threaten Earth. This observation triggered a fervid series of observations of the object—possibly as big as a football field—to ...
Astronomy
Mar 24, 2025
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AI reshapes how we observe the stars
AI tools are transforming how we observe the world around us—and even the stars beyond. Recently, an international team proved that deep learning techniques and large language models can help astronomers classify stars ...
Astronomy
Mar 24, 2025
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Event Horizon Telescope allows close study of accelerating jets from black holes
An international team of researchers used multi-wavelength observations of active galactic nuclei to study how black holes launch relativistic jets. The sixteen sources were observed with the Event Horizon Telescope during ...
Astronomy
Mar 24, 2025
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Astronomers discover new giant molecular cloud in the Milky Way
Using the Green Bank Telescope (GBT), astronomers have detected a new giant molecular cloud in the Milky Way galaxy. The newfound cloud has a size of nearly 200 light years and its mass is estimated to be some 160,000 solar ...
Bridging the gap between the cosmic microwave background and the first galaxies
One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's first few hundred thousand years are shrouded in an impenetrable fog. So far, nobody's been able to ...
Astronomy
Mar 23, 2025
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Astronomers unveil 'baby pictures' of the first stars and galaxies
The clearest and most precise images yet of the universe in its infancy—the earliest cosmic time accessible to humans—have been produced by an international team of astronomers.
Astronomy
Mar 23, 2025
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Euclid opens data treasure trove, offers glimpse of deep fields
On 19 March 2025, the European Space Agency's Euclid mission releases its first batch of survey data, including a preview of its deep fields. Here, hundreds of thousands of galaxies in different shapes and sizes take center ...
Astronomy
Mar 22, 2025
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Webb telescope directly observes exoplanet CO₂ for first time
The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar system for the first time, scientists announced Monday.
Astronomy
Mar 22, 2025
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SPHEREx telescope aims to unlock secrets of universe's first moments
On March 11, NASA launched a new space telescope into orbit to explore the origins of the universe. The mission will use sophisticated software, developed at the Arizona Cosmology Lab at the University of Arizona, to analyze ...
Astronomy
Mar 22, 2025
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Extremely Large Telescope could sense hints of life at Proxima Centauri in just 10 hours, simulations suggest
The Extremely Large Telescope (ELT), currently under construction in northern Chile, will give us a better view of the Milky Way than any ground-based telescope before it. It's difficult to overstate how transformative it ...
Astronomy
Mar 21, 2025
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A simulated universe works better when dark energy changes over time
Dark energy is a mystery so daunting that it stretches and strains our most robust theories. The universe is expanding, driven by the unknown force that we've named Dark Energy. Dark Energy is also accelerating the rate of ...
Astronomy
Mar 21, 2025
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Cosmic anomaly hints at frightening future for Milky Way
A terrifying glimpse at one potential fate of our Milky Way galaxy has come to light thanks to the discovery of a cosmic anomaly that challenges our understanding of the universe.
Astronomy
Mar 21, 2025
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Hubble sees a spiral and a star in the constellation Virgo
This NASA/ESA Hubble Space Telescope image features a sparkling spiral galaxy paired with a prominent star, both in the constellation Virgo. While the galaxy and the star appear to be close to one another, even overlapping, ...
Astronomy
Mar 20, 2025
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Astronomers discover 2,674 dwarf galaxies using Euclid telescope
ESA's Euclid space telescope has been providing valuable data from the depths of space for almost two years. With its help, the largest and most accurate 3D map of the universe to date is to be created, with billions of stars ...
Astronomy
Mar 20, 2025
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Concept for interstellar object encounters developed, then simulated using a spacecraft swarm
Interstellar objects are among the last unexplored classes of solar system objects, holding tantalizing information about primitive materials from exoplanetary star systems. They pass through our solar system only once in ...
Astronomy
Mar 20, 2025
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