© Provided by Xinhua BEIJING, June 7 (Xinhua) An international research team have discovered the oldest known star in the Galactic halo. Their findi
© Provided by Xinhua BEIJING, June 7 (Xinhua) An international research team have discovered the oldest known star in the Galactic halo. Their findi
Chinese, Australian astronomers detect key process of binary evolution cgtn.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from cgtn.com Daily Mail and Mail on Sunday newspapers.
About 10,000 years ago, they ejected their common envelope, made up of gas, which is expanding and leaving the binary system at a speed of 200 km per second, Li said.Han Zhanwen, the leader of the Chinese research team and an academician of the CAS, said that this binary system is like a double-yolk egg that is ejecting its egg whites. "More than 50 percent of the stars in our universe are binaries.
A joint research team of Chinese and Australian astronomers has detected a binary star system ejecting a common envelope, a key process of the binary star evolution, which could be of great importance to studies of the expansion of the universe and dark energy.