Supernova

This Space Rock’s Weird Chemistry Suggests It Came From a Supernova 0
- From Around the Web, Space
- June 2, 2022
A rare stellar death may have formed a rock that eventually landed in Egypt.

By David Aragorn
Scientists Have Detected a Faint Hint of The Background Hum of The Universe 0
- From Around the Web, Space
- January 14, 2022
Ever since scientists made the first detection of gravitational waves from a pair of colliding black holes in 2015, evidence has been growing that the Universe ought to be full of them.

By David Aragorn
A supernova’s delayed reappearance could pin down how fast the universe expands 0
- From Around the Web, Space
- September 13, 2021
The catch: We have to wait until about 2037 for an answer

By David Aragorn
This premature supernova was triggered by a dead star 0
- From Around the Web, Space
- September 8, 2021
When a dead star plunges into an active star, expect an explosion of astronomical proportions that isn’t supposed to happen yet.Astronomers were able to work out this stellar puzzle after tracing an unusual burst of bright radio waves in 2017.

By David Aragorn
Spitzer Discovers Five Dust-Obscured Supernovae 0
- From Around the Web, Space
- August 5, 2021
Astronomers using data from NASA’s Spitzer Space Telescope have looked for dust-extinguished supernovae in the nuclear regions of 40 luminous and ultra-luminous infrared galaxies within 200 Mpc (652 million light-years).

By David Aragorn
Souped-up supernovas may produce much of the universe’s heavy elements 0
- From Around the Web, Space
- July 8, 2021
Analysis of a rare, ancient star suggests a new birthplace for elements like uranium and silver

By David Aragorn
New type of supernova discovered by astronomers 0
- From Around the Web, Space
- June 29, 2021
Astronomers have discovered a new type of supernova, or star explosion, and it provides a new window into the violent life cycle of stars. The new research, focused on supernova 2018zd, confirms a prediction made by University of Tokyo astronomer Ken’ichi Nomoto more than 40 years ago.

By David Aragorn
A study of Earth’s crust hints that supernovas aren’t gold mines 0
- From Around the Web, Space
- May 14, 2021
A smattering of plutonium atoms embedded in Earth’s crust are helping to resolve the origins of nature’s heaviest elements.

By David Aragorn
A rare glimpse of a star before it went supernova defies expectations 0
- From Around the Web, Space
- May 6, 2021
The discovery hints at unusual scenarios for how stars can evolve before they explode

By David Aragorn
Betelgeuse went dark, but didn’t go supernova. What happened?0
- From Around the Web, Space
- November 30, 2020
The bright star’s great dimming may have been a big dust burp

By David Aragorn