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Astronomy 8 hours ago

Three-year study of young stars with NASA's Hubble enters new chapter

In the largest and one of the most ambitious Hubble Space Telescope programs ever executed, a team of scientists and engineers collected information on almost 500 stars over a three-year period. This effort offers new insights ...

Astronomy 11 hours ago

Faintest known star system orbiting the Milky Way discovered

A team of astronomers led by the University of Victoria and Yale University has detected an ancient star system traveling around our galaxy named Ursa Major III / UNIONS 1 (UMa3/U1)—the faintest and lowest-mass Milky Way ...

Astronomy 14 hours ago

ALMA finds new molecular signposts in starburst galaxy

The ALMA radio telescope has detected more than 100 molecular species, including many indicative of different star formation and evolution processes, in a galaxy where stars are forming much more actively than in the Milky ...

Astronomy Mar 27, 2024

The stunning echo of 800-year-old explosion

In the year 1181 a rare supernova explosion appeared in the night sky, staying visible for 185 consecutive days. Historical records show that the supernova looked like a temporary "star" in the constellation Cassiopeia shining ...

Astronomy Mar 27, 2024

The most complete portrait of a supernova ever

Accounts of supernovae—exploding stars—go back thousands of years, and while we know today these events create the building blocks of life itself, there are still unanswered questions about the conditions that cause a ...

Astronomy Mar 27, 2024

Astronomers unveil strong magnetic fields spiraling at the edge of Milky Way's central black hole

A new image from the Event Horizon Telescope (EHT) collaboration—which includes scientists from the Center for Astrophysics | Harvard & Smithsonian (CfA)— has uncovered strong and organized magnetic fields spiraling from ...

General Physics Mar 26, 2024

Testing begins on sensitive neutrino detector for nonproliferation and fundamental physics

Neutrinos and antineutrinos are nearly massless particles produced in many nuclear reactions, including the fission of uranium in nuclear power plants on Earth and the fusion reactions at the core of the sun.

Astronomy Mar 25, 2024

Stunning James Webb images show birth and death of massive stars

The James Webb Space Telescope continues to surprise us with stunning pictures, but of what exactly? Astronomer Nienke van der Marel shows with three images how massive stars lead short but explosive lives.

Astronomy Mar 25, 2024

Hot post-asymptotic giant branch star discovered in globular cluster ESO 37-1

Astronomers have discovered a new post-asymptotic giant branch (PAGB) star in a Galactic globular cluster known as ESO 37-1 (or E3 for short) and derived its fundamental parameters. The finding is reported in a research paper ...

Astronomy Mar 22, 2024

Astronomers find evidence that blue supergiant stars can be formed by the merger of two stars

An international piece of research, led by the Instituto de Astrofísica de Canarias (IAC) has found clues to the nature of some of the brightest and hottest stars in our universe, called blue supergiants. Although these ...

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