Stellar Evolution

Endings and Beginnings – Magnetic Jets Shape Stellar Transformation

The incredible visual appearance of planetary nebulae are some of the most studied and observed of deep space objects. However,…

11 years ago

Double Vision: Scientists Spot An Elder ‘Twin’ To the Sun

If you want a picture of how you'll look in 30 years, youngsters are told, look at your parents. The…

11 years ago

Flicker… A Bright New Method of Measuring Stellar Surface Gravity

A simple, yet elegant method of measuring the surface gravity of a star has just been discovered. These computations are…

11 years ago

ALMA Spots a Nascent Stellar Monster

Even though it comprises over 99% of the mass of the Solar System (with Jupiter taking up most of the…

11 years ago

What Happens When Stars Collide? In This Case, A Newly Observed Kind of Pulsating Star

It sure would be interesting to watch two stars run into each other -- from a safe distance, of course.…

12 years ago

A Rare Opportunity to Watch a Blue Straggler Forming

A unique and enigmatic variety of stars known as blue stragglers appear to defy the normal stellar aging process. Discovered…

12 years ago

Why Are Dying Stars in 47 Tucanae Cooling Off So Slowly?

The Hubble Space Telescope is going to be used to settle an argument. It's a conflict between computer models and…

12 years ago

Seeing the Red of ‘La Superba,’ a Magnificent Springtime Carbon Star

The Universe can be a very gray place. But this week, we’ll look at a fine example of a class…

12 years ago

Astronomers Hint that our Sun won’t Terminate as the Typical Planetary Nebula

Textbooks often cite that planetary nebulae (PNe, plural) represent an endstate for lower-mass single stars. But conversely, recent research suggests…

12 years ago

Looking Into The Green Eye Of Planetary Nebula IC 1295

Located on Cerro Paranal in the Atacama Desert of northern Chile, the ESO's Very Large Telescope was busy using the…

12 years ago