Reposted by Laurie Amen
From @laurie-amen.bsky.social: Could “little red dots” and their lesser known cousins, “little blue dots”, be the same astronomical object? Today’s paper puts this recently popular theory to the test by invoking helium reionization. ⚛️ 🔭 ☄️ 🧪 astrobites.org/2026/10/01/little-red-blue-dots-he/
astrobites.org
Little dots red, little dots blue, well helium has a say too!
Could “little red dots” and their lesser known cousins, “little blue dots”, be the same astronomical object? Today’s paper puts this recently popular theory to the test by invoking helium reionization...