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Astronomy 2 hours ago

Researchers chart Orion Nebula like never before

Star and planet formation is a messy affair. It starts with the gravitational collapse of a gigantic cloud of gas and dust, which simultaneously produces massive stars, whose intense radiation field creates a harsh environment, ...

Astronomy 3 hours ago

Three stars circling the Milky Way's halo formed 12 to 13 billion years ago

MIT researchers, including several undergraduate students, have discovered three of the oldest stars in the universe, and they happen to live in our own galactic neighborhood.

Planetary Sciences 23 hours ago

Dazzling auroras fade from skies as sunspot turns away

The spectacular auroras that danced across the sky in many parts of the world over the weekend are fading, scientists said Monday, as the massive sunspot that caused them turns its ferocious gaze away from Earth.

Astronomy May 13, 2024

Does the Milky Way have too many satellite galaxies?

The Large and Small Magellanic Clouds are well-known satellite galaxies of the Milky Way, but there are more. It is surrounded by at least 61 within 1.4 million light years (for context the Andromeda galaxy is 2.5 million ...

Astronomy May 13, 2024

Scientists discover huge magnetic toroids in the Milky Way halo

The origin and evolution of cosmic magnetic fields is a long-standing unsolved question at the frontier of astronomy and astrophysics research and has been selected as one of the key areas of investigation for many major ...

Astronomy May 13, 2024

Raspberry in the sky: Astronomers discover a new supernova remnant candidate

Astronomers from the Western Sydney University in Australia and elsewhere report the detection of a new supernova remnant (SNR) candidate. The newfound SNR candidate, dubbed "Raspberry" due to its morphology, was identified ...

Astronomy May 11, 2024

The ancient Egyptian goddess of the sky: How a researcher used modern astronomy to explore her link with the Milky Way

What did our ancestors think when they looked up at the night sky? All cultures ascribed special meaning to the sun and the moon, but what about the pearly band of light and shadow we call the Milky Way?

Astrobiology May 11, 2024

AI may be to blame for our failure to make contact with alien civilizations

Artificial intelligence (AI) has progressed at an astounding pace over the last few years. Some scientists are now looking towards the development of artificial superintelligence (ASI)—a form of AI that would not only surpass ...

Other May 11, 2024

Saturday Citations: Dietary habits of humans; dietary habits of supermassive black holes; saving endangered bilbies

The onset of solar maximum has resulted in severe geomagnetic storms, with the possibility of aurora borealis events this weekend as far south as the northern United States. Do not be alarmed if you see awesome displays of ...

Astronomy May 10, 2024

NASA's Chandra notices the galactic center is venting

Using NASA's Chandra X-ray Observatory, astronomers have located an exhaust vent attached to a "chimney" of hot gas blowing away from the center of the Milky Way galaxy. Their paper describing these results is published in ...

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