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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

article4 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

article5 days ago

What’s Up: January 2026 Skywatching Tips from NASA

What’s Up: January 2026 Skywatching Tips from NASA

article5 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 1 day ago

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

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

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Flight Engineers Give NASA’s Dragonfly Lift

Flight Engineers Give NASA’s Dragonfly Lift

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Highlights

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

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

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Space Station Research Informs New FDA-Approved Cancer Therapy

Space Station Research Informs New FDA-Approved Cancer Therapy

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

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

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Highlights

Ganges Delta Under a Winter Shroud of Fog

Ganges Delta Under a Winter Shroud of Fog

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Meltwater Turns Iceberg A-23A Blue

Meltwater Turns Iceberg A-23A Blue

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Biosphere Publications and Research Highlights

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Flight Engineers Give NASA’s Dragonfly Lift

Flight Engineers Give NASA’s Dragonfly Lift

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What’s Up: January 2026 Skywatching Tips from NASA

What’s Up: January 2026 Skywatching Tips from NASA

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Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

Betelgeuse and the Crab Nebula: Stellar Death and Rebirth

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Featured

Swift

Swift

article 1 day ago

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

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

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

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

article 4 days ago

Highlights

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

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

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Flight Engineers Give NASA’s Dragonfly Lift

Flight Engineers Give NASA’s Dragonfly Lift

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Swift

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NASA Armstrong Advances Flight Research and Innovation in 2025

NASA Armstrong Advances Flight Research and Innovation in 2025

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

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

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2025 in Review: Highlights from NASA in Silicon Valley

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Ganges Delta Under a Winter Shroud of Fog

Ganges Delta Under a Winter Shroud of Fog

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

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NASA’s Push Toward Commercial Space Communications Gains Momentum

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Featured

Join the Artemis Mission to the Moon

Join the Artemis Mission to the Moon

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

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

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Through Astronaut Eyes: 25 Years of Life in Orbit

Through Astronaut Eyes: 25 Years of Life in Orbit

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25 Years of Space Station Technology Driving Exploration

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TRAPPIST-1 e — Guided Tour-es

TRAPPIST-1 e — Guided Tour-es

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Kepler-186 f — Guided Tour-es

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kepler-16 b-guided-tour-es

kepler-16 b-guided-tour-es

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Page Last Updated:

Jan 02, 2026
Page Editor:

Dacia Massengill
Responsible NASA Official:

Abigail Bowman

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