red giants

Binary Stars Form in the Same Nebula But Aren’t Identical. Now We Know Why.

It stands to reason that stars formed from the same cloud of material will have the same metallicity. That fact…

2 months ago

The Stellar Demolition Derby in the Centre of the Galaxy

The region near the Milky Way's centre is dominated by the supermassive black hole that resides there. Sagittarius A*'s overwhelming…

3 months ago

Each Planetary Nebula is Unique. Why Do They Look So Different?

When it comes to cosmic eye candy, planetary nebulae are at the top of the candy bowl. Like fingerprints—or maybe…

1 year ago

Twinkling Stars Supply the Dust That Leads to Life

A team of Japanese astronomers has found a connection between the dustiness of Red Giant stars and changes in their…

1 year ago

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…

5 years 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…

11 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…

12 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…

13 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…

14 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…

14 years ago