Adding Dimension to Cassiopeia A | Simple Site

Using NASA’s James Webb Space Telescope, astronomers uncovered a mysterious feature within the remnant, nicknamed the “Green Monster,” alongside a puzzling network of ejecta filaments forming a web of oxygen-rich material. When combined with X-rays from NASA’s Chandra X-ray Observatory, the data helped astronomers shed light on the origin of the Green Monster and revealed […]

Category: Supernova Remnants

Posted on May 1, 2025

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3

Planetary Nebulae

8

Gravitational Microlensing

2

Science & Research

221

AeroSpace Frontiers

59

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

4

B200

3

Low Boom Flight Demonstrator

23

Stennis Space Center

107

1

274

51

Lunar Surface Innovation Initiative

8

STS-129

2

316

17

NASA Innovative Advanced Concepts (NIAC) Program

26

Events

17

OSAM-1 (On-Orbit Servicing, Assembly, and Manufacturing 1)

1

1

Global Ecosystem Dynamics Investigation (GEDI)

2

Richard H. Truly

1

Sounding Rockets Program

15

Artemis 5

3

Land Cover

3

Marshall Earth Sciences

29

Space Operations Mission Directorate

50

Sustainability at Kennedy Space Center

10

CoECI News

10

Meetings, Workshops & Conferences

1

Earth Science Division

73

NISAR (NASA-ISRO Synthetic Aperture Radar)

12

Visible Infrared Imaging Radiometer Suite (VIIRS)

2

5

Private Astronaut Missions

3

5

Seasat

1

1

1

Quasars

6

Human Lander Challenge

2

61

Apollo

12

John B. Herrington

1

Byron K. Lichtenberg

1

MAIA (Multi-Angle Imager for Aerosols)

1

STS-68

1

Transformative Aeronautics Concepts Program

18

1

Natural Disasters

24

Exosphere

2

Partner With Us

5

Exploration Systems Development Mission Directorate

46

GRACE-FO (Gravity Recovery and Climate Experiment Follow-on)

6

Rosetta

1

Advanced Capabilities for Emergency Response Operations

1

Astronomy

2

Learning Resources

132

4

Technology for Living in Space

4

Common Exploration Systems Development Division

4

MinXSS (Miniature X-ray Solar Spectrometer)

1

Eclipses

40

Office of Small Business Programs (OSBP)

11

Stennis Test Facility and Support Infrastructure

3

4

Courses & Curriculums for Professionals

1

20

Enceladus

4

Opportunities For International Participants to Get Involved

12

William R. Pogue

1

Gemini IV

1

Ranger 7

2

Ice Giants

1

Sojourner (Rover)

1

Apophis

2

JUICE (Jupiter Icy Moons Explorer)

1

Cassini

10

Mars Exploration Program

6

Sunspots

4

University Leadership Initiative

5

Charles O. Hobaugh

1

Droughts

2

25

8

Vertical Motion Simulator

1

Flight Innovation

28

Planetary Science

86

Gravitational Waves

7

Science Activation

57

Aerospace Safety Advisory Panel

1

Integrated Aviation Systems Program

16

BARREL (Balloon Array for Radiation-belt Relativistic Electron Losses)

1

Low Earth Orbit Economy

22

Blog Posts

Milano Cortina 2026

February 5, 2026

Curiosity Blog, Sols 4788-4797: Welcome Back from Conjunction

February 5, 2026

NASA, University of Texas Expand Research and Workforce Development

February 5, 2026

Newsletter Archive

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