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3 days ago · supernova, any of a class of violently exploding stars whose luminosity after eruption suddenly increases many millions of times its normal level. The term supernova is derived from nova (Latin: “new”), the name for another type of exploding star. Supernovae resemble novae in several respects.
- Population I
Population I consists of younger stars, clusters, and...
- Type Ia Supernova
Other articles where Type Ia supernova is discussed: dark...
- Population I
4 days ago · May 24, 2024. 5 min read. Surprising Supernova Scars Cover the Earth. A supernova showering Earth with radioactive debris is a surprisingly common cosmic occurrence. By Phil Plait. A vast,...
2 days ago · NASA’s Fermi Gamma-ray Space Telescope "detected none of the high-energy gamma-ray light" from a nearby supernova. NASA explains. Credit: NASA Goddard Space Flight Center
5 days ago · May 23, 2024. Researchers analyzing data from NASA’s James Webb Space Telescope have pinpointed three galaxies that may be actively forming when the universe was only 400 to 600 million years old. Webb’s data shows these galaxies are surrounded by gas that the researchers suspect to be almost purely hydrogen and helium, the earliest ...
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2 days ago · Globular cluster NGC 6440 orbits within the Galactic bulge of the Milky Way. Observing the densely packed star clusters was a challenge until JWST came along. ESA/Webb, NASA & CSA, P. Freire ...
2 days ago · Astronomy Picture of the Day. Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Explanation: Dark markings and bright nebulae in this telescopic southern sky view are telltale signs of young stars and active star formation .
