Construct the evolution model of SMSS J1920. The initial progenitor cell mass is 1.8 M where Z = 0.001. The resulting sdO/B has a mass of 0.553 Mthe envelope quality …
There may be an invisible universe of stars, nebulae, and galaxies made entirely of dark matter. Astronomers now know how to look for it. In short, dark matter is a …
R-process nucleosynthesis.Image credit: Lawrence Livermore National Laboratory The universe’s first stars were terrifying beasts. Composed only of hydrogen and helium, they may be 300 times more massive than the Sun. …
New research theorizes that a handful of primordial black holes that zipped through the universe shortly after the Big Bang may have been captured by stars, and that these ancient …
A balloon carrying a cable car with a telescope takes off from Alice Springs, Australia.Image source: GRAINE collaboration A stack of radioactive-sensitive films carried through the sky by a balloon …
Professor Roberto Trotta.Image source: Imperial College London Professor Roberto Trotta of the Department of Physics at Imperial College London is a theoretical physicist and astrophysicist. His work explores how statistics …
In the 1930s, when physicist and engineer Karl Jansky pointed a radio antenna toward the center of the Milky Way, he detected a persistent source of radio waves. After some …
New research theorizes that a small number of the primordial black holes that zipped through the universe may have been captured by stars shortly after the Big Bang, and that …