White Dwarfs | Simple Site

Astrophysics Division

Goddard Space Flight Center

Hubble Space Telescope

The Kuiper Belt

NASA’s Hubble Sees White Dwarf Eating Piece of Pluto-Like Object

In our nearby stellar neighborhood, a burned-out star is snacking on a fragment of a Pluto-like object. With its unique ultraviolet capability, only NASA’s Hubble Space Telescope could identify that this meal is taking place. The stellar remnant is a white dwarf about half the mass of our Sun, but that is densely packed into […]

Posted September 18, 2025

Chandra X-Ray Observatory

Hubble Space Telescope

Marshall Astrophysics

Marshall Space Flight Center

Nebulae

Planetary Nebulae

Stars

X-ray Signal Points to Destroyed Planet, Chandra Finds

A planet may have been destroyed by a white dwarf at the center of a planetary nebula — the first time this has been seen. As described in our latest press release, this would explain a mysterious X-ray signal that astronomers have detected from the Helix Nebula for over 40 years. The Helix is a […]

Posted March 4, 2025

Active Galaxies

Galaxies, Stars, & Black Holes

Goddard Space Flight Center

Jet Propulsion Laboratory

Neil Gehrels Swift Observatory

NICER (Neutron star Interior Composition Explorer)

NuSTAR (Nuclear Spectroscopic Telescope Array)

Supermassive Black Holes

XMM-Newton (X-ray Multi-Mirror Newton)

Astronomers Catch Unprecedented Features at Brink of Active Black Hole

International teams of astronomers monitoring a supermassive black hole in the heart of a distant galaxy have detected features never seen before using data from NASA missions and other facilities.

Posted January 13, 2025

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Opportunities For Researchers to Get Involved

1

Convergent Aeronautics Solutions

3

STS-127

1

Eileen M. Collins

2

20

NASA Socials Program

4

OSIRIS-REx (Origins, Spectral Interpretation, Resource Identification, Security-Regolith Explorer)

18

Topography

3

Game Changing Development Program

33

X-ray Astronomy

3

Human Lander Challenge

2

Apollo 16

1

Pathfinding for Airspace with Autonomous Vehicles

1

6

Richard A. Mastracchio

1

20

Langley Research Center

137

Center of Excellence for Collaborative Innovation (CoECI)

42

Space Launch System (SLS)

103

Digital Information Platform

9

Supernova Remnants

6

Meteors & Meteorites

1

Nova-C (Lander)

1

Extreme Weather Events

15

Viking 2

1

Grades 5 - 8 for Educators

13

Aerosciences Evaluation Test Capabilities

2

Atmospheric Waves Experiment (AWE)

2

Private Astronaut Missions

4

3

Jessica U. Meir

1

MAF Status

1

Skylab

6

Joint Polar Satellite System (JPSS)

1

Mariner 7

1

Cryogenic Fluid Management (CFM)

4

STS-65

1

ER-2

5

Nebulae

48

1

Gemini VI

1

Artemis 2

144

Physical Sciences

7

Rosalind Franklin (Rover)

1

Ingenuity (Helicopter)

7

10

Climate Modeling

4

Spinoffs

41

E-Books

5

T-34C

1

Modeling

4

Office of the Chief Financial Officer (OCFO)

4

Floods

9

Walter M. Schirra Jr.

1

Greenhouse Gases

9

Airborne Science

27

9

Quasars

6

Fundamental Physics

1

Why Go To Space

2

HERA (Human Exploration Research Analog)

7

Anil Menon

1

Bruce McCandless

2

Ranger 7

2

SOHO (Solar and Heliospheric Observatory)

6

Kennedy Space Center

243

Mars Pathfinder

1

1

DAVINCI (Deep Atmosphere Venus Investigation of Noble gases, Chemistry, and Imaging)

3

Subsonic Flight Demonstrator

1

Exoplanet Atmosphere

11

Marshall Test Facility and Support Infrastructure

3

23

54

Van Allen Probes

2

Goddard Institute for Space Studies

17

Advanced Air Transport Technology

7

Astrogram

8

Planetary Science

87

Science & Research

226

Irregular Galaxies

8

2

Commercial Resupply

41

4

Earth Visualization & Mapping

3

1

NASA en español

51

Opportunities For Students to Get Involved

38

1

STS-128

1

Electrified Aircraft Propulsion

3

The Search for Life

12

NASA Space Technology Graduate Research Opportunities (NSTGRO)

1

Outer Planets & Ocean Worlds Program

1

Trace Gas Orbiter (TGO)

1

Gamma Rays

8

2

Human Landing System Program

24

Apollo 8

3

People of Armstrong

4

Careers

10

Richard H. Truly

1

Ice Giants

1

Laser Communications Relay

3

Ceres

2

Space Nuclear Propulsion (SNP)

3

Digital Transformation (DT)

7

Supernovae

31

Michael J. Foreman

1

NuSTAR (Nuclear Spectroscopic Telescope Array)

3

EZIE (Electrojet Zeeman Imaging Explorer)

2

VIPER (Volatiles Investigating Polar Exploration Rover)

17

10

Aerosols

5

Audio

6

Prizes, Challenges & Crowdsourcing

6

Seasat

1

Jessica Watkins

3

Magellan

2

62

Jonny Kim

4

1

Cryosphere

7

STS-66

1

EscaPADE (Escape and Plasma Acceleration and Dynamics Explorers)

6

Neil Gehrels Swift Observatory

12

UAS Traffic Management

3

Gemini XI

1

Artemis 3

37

Physical Sciences Program

4

Rosetta

1

InSight (Interior Exploration using Seismic Investigations, Geodesy and Heat Transport)

4

3

Climate Science

7

Spiral Galaxies

69

Early Career Faculty (ECF)

9

Tech Demo Missions

8

Moderate Resolution Imaging Spectroradiometer (MODIS)

14

Office of the Chief Health and Medical Officer (OCHMO)

3

For Colleges & Universities

43

2

Gulfstream G-III

1

Airspace Operations and Safety Program

14

6

36

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