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A single still from a video of the Kepler Supernova Remnant is shown here using Chandra data taken in 2000, 2004, 2006, 2014, and 2025. When the data collected over the years is viewed as a timelapse, it makes it the longest-spanning video that Chandra has ever released. It also gives astronomers a remarkable view into the aftermath of a Type Ia supernova, a class of stellar explosion created from the thermonuclear detonation of a white dwarf star that scientists use to measure the expansion of the universe. The supernova was witnessed by German astronomer Johannes Kepler in 1604 A.D.

Supernova Remnant Video From NASA’s Chandra Is Decades in Making

article5 days ago

This artist’s concept depicts a smaller white dwarf star pulling material from a larger star, right, into an accretion disk. Earlier this year, scientists used NASA’s IXPE (Imaging X-ray Polarization Explorer) to study a white dwarf star and its X-ray polarization.

NASA’s IXPE Measures White Dwarf Star for First Time

article6 days ago

What’s Up: January 2026 Skywatching Tips from NASA

What’s Up: January 2026 Skywatching Tips from NASA

article6 days ago

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NASA’s Pandora Satellite, CubeSats to Explore Exoplanets, Beyond

NASA’s Pandora Satellite, CubeSats to Explore Exoplanets, Beyond

article 2 days ago

Scientists Identify ‘Astronomy’s Platypus’ with NASA’s Webb Telescope

Scientists Identify ‘Astronomy’s Platypus’ with NASA’s Webb Telescope

article 5 days ago

Flight Engineers Give NASA’s Dragonfly Lift

Flight Engineers Give NASA’s Dragonfly Lift

article 2 days ago

Highlights

Final Steps Underway for NASA’s First Crewed Artemis Moon Mission

Final Steps Underway for NASA’s First Crewed Artemis Moon Mission

article 2 days ago

Space Station Research Informs New FDA-Approved Cancer Therapy

Space Station Research Informs New FDA-Approved Cancer Therapy

article 5 days ago

Get In, We’re Going Moonbound: Meet NASA’s Artemis Closeout Crew

Get In, We’re Going Moonbound: Meet NASA’s Artemis Closeout Crew

article 3 weeks ago

Highlights

Ganges Delta Under a Winter Shroud of Fog

Ganges Delta Under a Winter Shroud of Fog

article 2 days ago

Meltwater Turns Iceberg A-23A Blue

Meltwater Turns Iceberg A-23A Blue

article 3 days ago

Biosphere Publications and Research Highlights

Biosphere Publications and Research Highlights

article 4 days ago

Highlights

Flight Engineers Give NASA’s Dragonfly Lift

Flight Engineers Give NASA’s Dragonfly Lift

article 2 days ago

What’s Up: January 2026 Skywatching Tips from NASA

What’s Up: January 2026 Skywatching Tips from NASA

article 6 days ago

Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

article 3 weeks ago

Featured

Swift

Swift

article 2 days ago

NASA’s Pandora Satellite, CubeSats to Explore Exoplanets, Beyond

NASA’s Pandora Satellite, CubeSats to Explore Exoplanets, Beyond

article 2 days ago

Supernova Remnant Video From NASA’s Chandra Is Decades in Making

Supernova Remnant Video From NASA’s Chandra Is Decades in Making

article 5 days ago

Highlights

Shaken, Not Stirred: NASA’s StarBurst Aces Extreme Temperature Tests

Shaken, Not Stirred: NASA’s StarBurst Aces Extreme Temperature Tests

article 2 days ago

Flight Engineers Give NASA’s Dragonfly Lift

Flight Engineers Give NASA’s Dragonfly Lift

article 2 days ago

Swift

Swift

article 2 days ago

Highlights

NASA Armstrong Advances Flight Research and Innovation in 2025

NASA Armstrong Advances Flight Research and Innovation in 2025

article 3 weeks ago

NASA, Boeing Test How to Improve Performance of Longer, Narrower Aircraft Wings

NASA, Boeing Test How to Improve Performance of Longer, Narrower Aircraft Wings

article 3 weeks ago

2025 in Review: Highlights from NASA in Silicon Valley

2025 in Review: Highlights from NASA in Silicon Valley

article 3 weeks ago

Highlights

Ganges Delta Under a Winter Shroud of Fog

Ganges Delta Under a Winter Shroud of Fog

article 2 days ago

NASA’s Wideband Technology Demo Proves Space Missions are Free to Roam

NASA’s Wideband Technology Demo Proves Space Missions are Free to Roam

article 3 weeks ago

NASA’s Push Toward Commercial Space Communications Gains Momentum

NASA’s Push Toward Commercial Space Communications Gains Momentum

article 4 weeks ago

Featured

Join the Artemis Mission to the Moon

Join the Artemis Mission to the Moon

article 2 months ago

Featured

25 Years in Orbit: Science, Innovation, and the Future of Exploration

25 Years in Orbit: Science, Innovation, and the Future of Exploration

article 4 days ago

Through Astronaut Eyes: 25 Years of Life in Orbit

Through Astronaut Eyes: 25 Years of Life in Orbit

article 4 weeks ago

25 Years of Space Station Technology Driving Exploration

25 Years of Space Station Technology Driving Exploration

article 1 month ago

Highlights

TRAPPIST-1 e — Guided Tour-es

TRAPPIST-1 e — Guided Tour-es

article 4 weeks ago

Kepler-186 f — Guided Tour-es

Kepler-186 f — Guided Tour-es

article 4 weeks ago

kepler-16 b-guided-tour-es

kepler-16 b-guided-tour-es

article 4 weeks ago

Galleries

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Technology Demonstration Missions (TDM)

Technology Demonstration Missions (TDM)

Former Astronaut Thomas Stafford

Former Astronaut Thomas Stafford

Former Astronaut Harrison Schmitt

Former Astronaut Harrison Schmitt

Former Astronaut Charles F. Bolden, Jr.

Former Astronaut Charles F. Bolden, Jr.

Core Stage Activities

Core Stage Activities

Black History Month

Black History Month

Former Astronaut Walter “Wally” Schirra

Former Astronaut Walter “Wally” Schirra

Former Astronaut Fred Haise

Former Astronaut Fred Haise

Johnson Space Center Image Gallery

Johnson Space Center Image Gallery

Welcome to the Johnson Space Center Image Gallery, where you can find imagery from the beginning of human spaceflight to…

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