Spying on the oldest stars in the UniverseNature - the world's best science and medicine on your desktopdoi:10.1038/news070508-13Katharine SandersonNature
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It was clear that the star was old. The metal-poor subgiant is predominantly made of hydrogen and helium and contains very little iron. Such composition meant the star must have come into being when helium and hydrogen dominated the universe and before iron became commonplace (the heavier eleme...
subjects.The University pioneers work in the understanding of disease, the creation of new materials, advances in telecommunications and research into the origins of the universe.It trains doctors, vets(兽医),architects, engineers and teachers.At all levels about half of the students at Cambridge ...
It would be expected that helium hydride would still be present in some parts of the universe. But strangely enough, it has never been detected in space before now. Now the molecule has finally been detected by SOFIA, the Stratospheric Observatory for Infrared Astronomy. SOFIA is anobservatory ...
The Amundsen-Scott South Pole Station, November 2019. Courtesy of John Kovac. The CMB is the oldest relic light in the universe, radiation resulting from the Big Bang. Theories suggest that the CMB originated after a period known as inflation, in which the universe rapidly expanded and cooled...
"If there's a process by where lead can move from one part of the crystal to another place, then the place where lead is concentrated will have an older apparent age and the place from where it moves will have a younger apparent age," Valley said. Atom by atom Valley and his co-aut...
The Planck satellite reveals the universe's first stars formed more than a hundred million years later than previously believed
Tomlin was a celebrated household name throughout the 80s, 90s, and early 2000s, winning a Tony in 1986 for Jane Wagner’s one-woman show “The Search for Signs of Intelligent Life in the Universe” and garnering three SAG nominations for the recurring role of presidential secretary Deborah...
"We are expecting a new window to open in the universe, and I think this is the first crack," she said. The two space telescopes — Webb and Chandra — were able to observe the part of space that holds this galaxy, UHZ1, and its black hole because of what is called "gravitational...