Browsing Tag
celestial objects
3 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.…
Could the latest ‘interstellar comet’ be an alien probe? Why spotting cosmic visitors is harder than you think
Comet 3I/ATLAS. International Gemini Observatory/NOIRLab/NSF/AURA/K. Meech/Jen Miller/Mahdi Zamani, CC BY Sara Webb, Swinburne University of Technology On July…
Infrared search for hidden ‘Planet Nine’ reveals two new candidates
By searching for the faint heat signature of a hidden world, astronomers have identified two promising new candidates for the mysterious Planet Nine.