"Discovery: Smallest Star's Ghostly Companion and 72-Year Earth Day"
TL;DR Summary
Astronomers have discovered a unique binary star system, TMTS J0526, where a white dwarf orbits a hot subdwarf star, compressing 72 Earth years into a single day. The system, located 2,760 light-years away, features a white dwarf rich in carbon and oxygen and a tiny subdwarf star completing an orbit every 20.5 minutes. This finding may shed light on the formation of such minuscule subdwarf stars and the process of white dwarf formation from sun-sized stars.
Topics:science#astronomical-discovery#astronomy#binary-star-system#tmts-j0526#tsinghua-university#white-dwarf
- On this dead star, a single day equals to 72 Earth years The News International
- Smallest Star Ever Discovered And It's Only A Tiny Bit Bigger Than Earth IFLScience
- For this dead star, 72 years is a single Earth day Space.com
- China-led research team pinpoints smallest star and its ghostly lone companion South China Morning Post
- Scientists discover the smallest star in binary system Interesting Engineering
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