Chariklo is only about 250 km across, but it has two rings, and they're changing.
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#astronomy / Page 7
APOD Science APOD APOD: 2026 September 19 - Today's APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe ...
Using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) observatory, astronomers have directly observed a giant star's outflow, called a ...
Astronomers have discovered Elias 2-24 b, a gas giant under one million years old that has just become the youngest exoplanet ever detected.
In general relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about white holes?Continue reading on Starts With A Bang! ยป
Ali Alobaidly is named Astronomy Photographer of the Year for his image of the Shark Nebula.
APOD Science APOD APOD: 2026 September 18 - Today's APOD Archive Submissions Index Search Calendar RSS Education About Discuss APOD Astronomy Picture of the Day Discover the cosmos! Each day a different image or photograph of our fascinating universe ...
A space satellite that would offer light on demand has astronomers asking: Who controls the night sky?
Astronomers have spotted a sizeable, freshly formed impact crater on the Moon, providing an unprecedented look at how violent cosmic collisions reshape lunar geology in real time.
Astronomers have confirmed a Jupiter-size planet less than a million years old, making Elias 2-24 b the youngest known planet and giving scientists a rare look at a world still being born. Its surprisingly rapid formation challenges leading theories ...