red giants | Universe Today

red giants

The Oldest and Coldest White Dwarf Ever Found has Bizarre Dust Rings Around it

A citizen scientist recently discovered a white dwarf star that has multiple dust rings, a finding which could force a…

1 year ago

Seeing Red: Hunting Herschel’s Garnet Star

Quick, what’s the reddest star visible to the naked eye? Depending on your sky conditions, your answer may well be…

7 years ago

The Contributor to SN 2011fe

[/caption] When discovered on August 24, 2011, supernova 2011fe was the closest supernova since the famous SN 1987A. Located in…

8 years ago

Plausibility Check – Habitable Planets around Red Giants

[/caption] While planets orbiting twin stars are a staple of science fiction, another is having humans live on planets orbiting…

9 years ago

ω Centauri’s Red Giants Confirm Stellar Evolution Models

[/caption] While science education often focuses on teaching the scientific method (or at least tries to), the real process of…

9 years ago

Second-Generation Star Supports Cannibal Theory of Milky Way

[/caption] A newly discovered red giant star is a relic from the early universe -- a star that may have…

10 years ago

Red Giant Brightness Variations Still Mysterious

[/caption] Like everything else in the Universe, stars get old. As they become older, stars like our own Sun "puff…

10 years ago