Browsing Tag
stellar evolution
8 posts
What makes a star a star? A strange ‘in‑between’ celestial object is testing astronomers’ boundaries
Md Redyan Ahmed, University of Sydney Around 1,350 light years away from Earth is a star called TOI-2155.…
12 billion years old, this interstellar comet is older than our Solar System
Jonti Horner, University of Southern Queensland One year ago, on July 1 2025, astronomers discovered a fascinating new…
The Milky Way was rewired by a cataclysmic collision billions of years ago. Now it is on course for another
Vasily Belokurov, University of Cambridge Vasily Belokurov is one of three winners of the 2026 Kavli Prize in…
Stardust trapped in Antarctic ice reveals tens of thousands of years of Solar System’s past
Dominik Koll, Australian National University When you think of outer space, you’re likely picturing stars, planets and moons.…
Astrophysicists use ‘space archaeology’ to trace the history of a spiral galaxy
Lisa Kewley, Smithsonian Institution Billions of years ago, a young spiral galaxy began to grow in a crowded…
One of the biggest stars in the universe might be getting ready to explode
ESO / L. Calçada, CC BY Sara Webb, Swinburne University of Technology One of the largest known stars…
A giant star is changing before our eyes and astronomers are watching in real time
Keiichi Ohnaka, Universidad Andrés Bello (Chile) and Jacco van Loon, Keele University For decades, astronomers have been watching…
Sculptor galaxy image provides brilliant details that will help astronomers study how stars form
This image of the Sculptor galaxy will give astronomers detailed information on a variety of stars, nebulae and…