#Astronomy7

20 Dec 2025

Astronomers image two collisions at Fomalhaut

Astronomers imaged the dusty aftermath of two collisions between large bodies around the nearby young star Fomalhaut, the first such images beyond the solar system. Teams will track the expanding dust with Hubble and the James Webb Space Telescope.

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Photo by MARIOLA GROBELSKA, Unsplash

16 Dec 2025

Webb finds an unusual planet orbiting a pulsar

Scientists using the James Webb Space Telescope observed a strange exoplanet with a helium–carbon atmosphere, soot clouds and possible diamond formation. The planet orbits a fast-spinning pulsar and challenges known formation theories.

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15 Dec 2025

New models rethink the insides of Uranus and Neptune

A University of Zurich team created new interior models for Uranus and Neptune. The work shows the planets could be rock-rich or water-rich, helps explain their odd magnetic fields, and says we need dedicated missions to learn more.

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15 Dec 2025

Study: Many small galaxies may lack central black holes

A University of Michigan-led study using Chandra X-ray data finds many dwarf galaxies do not show signs of central supermassive black holes. The result suggests the biggest black holes may have formed large early and could be tested by future missions.

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8 Dec 2025

New isotope evidence on the Moon’s origin

A new study finds that the object that hit early Earth and formed the Moon—called Theia—likely formed closer to the Sun. Researchers used isotopes from Earth rocks, Apollo samples and meteorites to reach this conclusion.

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6 Dec 2025

New images reveal complex nova eruptions

Astronomers used interferometry at the CHARA Array to take direct images of two novae soon after they erupted. The pictures show multiple outflows and, in one case, a delayed release of material.

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1 Dec 2025

Searching for Life on Exoplanets

Since a 1995 discovery, astronomers have found over 4,000 exoplanets. Scientists study biosignatures and technosignatures to learn if life or technology exists elsewhere. A NASA grant supports Adam Frank's work on technosignatures.

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