Back to Glossary
White Dwarf
The dense, hot core left behind after a low- or intermediate-mass star expels its outer layers. White dwarfs are composed mostly of electron-degenerate matter and no longer undergo fusion.
Source: chandra.harvard.edu
APODs including "White Dwarf"
NGC 5307: A Symmetric Planetary Nebula
31/12/1997
NGC 7009: The Saturn Nebula
30/12/1997
M2-9: Wings of a Butterfly Nebula
23/12/1997
Phi Persei: Double Star
12/12/1997
White Dwarf Stars Cool
02/11/1997
T Pyxidis: Recurrent Nova
25/09/1997
MyCn18: An Hourglass Nebula
14/09/1997
Infrared Helix
01/09/1997
IP Pegasi: Spiral Star
22/08/1997
Resolving Mira
13/08/1997
Shells in the Egg Nebula
20/05/1997
NGC 3242: The 'Ghost of Jupiter' Planetary Nebula Credit:
31/03/1997
Star Wars in NGC 664 Credit:
25/02/1997
Shapley 1: An Annular Planetary Nebula Credit and Copyright:
15/02/1997
Nebula Nova Cygni Turns On
16/12/1996
Cocoon of a New White Dwarf Credit:
03/12/1996
The Blue Snowball Planetary Nebula Credit:
21/11/1996
Globular Cluster Omega Centauri Credit:
04/10/1996
Sirius: The Brightest Star in the Night
02/09/1996
The Eye of an Hourglass Nebula
09/02/1996
MyCn18: An Hourglass Nebula
18/01/1996
NGC 7027: A Dying Star's Nebula
17/01/1996
Symbiotic Star System R Aquarii
04/01/1996
The X-ray Timing Explorer
03/01/1996
Nova Cygni 1992
27/12/1995
Accretion Disk Binary System
26/12/1995
Shapley 1: An Annular Planetary Nebula
12/12/1995
NGC 5189: A Strange Planetary Nebula
11/12/1995
NGC 2440 Nucleus: The Hottest Star?
30/11/1995
White Dwarfs Cool
10/09/1995