Friday, January 17, 2025

NASA’s Webb uncovers complex layers in space dust.

Leif Larsen January 17, 2025 Science

The Shimmering Cosmic Curtain

This shimmering cosmic curtain displays interstellar gas and dust that has been heated by the flashbulb explosion of a long-ago supernova. The gas emits infrared light, creating what is known as a thermal light echo. As the supernova illumination travels through space at the speed of light, the echo appears to expand. The NASA James Webb Space Telescope captured this light echo near the supernova remnant Cassiopeia A.

Credits

Credits: NASA, ESA, CSA, STScI, J. Jencson (Caltech/IPAC)

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About Leif Larsen

Join Leif Larsen, our science blogger extraordinaire, on a journey of discovery through the fascinating worlds of climate change, earth science, energy, environment, and space exploration. With a wealth of knowledge and a passion for exploring the mysteries of the universe, Leif delivers insightful and thought-provoking posts that offer a unique perspective on the latest developments in the world of science. Read him to unlock the secrets of the natural world, from the deepest oceans to the furthest reaches of the cosmos!

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