The Milky Way's Mass is Much Lower Than We Thought
Updated: 2023-09-30 17:40:02
Skip to content Universe Today Space and astronomy news Menu Videos Newsletter Podcast Contact Us Support Us Log in The rotation curve of our galaxy compared to the Keplerian rotation curve . Credit : Jiao , Hammer et al . Observatoire de Paris â PSL CNRS ESA Gaia ESO S . Brunier Posted on September 30, 2023 September 30, 2023 by Brian Koberlein The Milky Way's Mass is Much Lower Than We Thought How massive is the Milky Way It’s an easy question to ask , but a difficult one to answer . Imagine a single cell in your body trying to determine your total mass , and you get an idea of how difficult it can be . Despite the challenges , a new study has calculated an accurate mass of our galaxy , and it’s smaller than we . thought One way to determine a galaxy’s mass is by looking at what’s
A team led by Prof. Guo Guoping and Prof. Cao Gang from the University of Science and Technology of China (USTC) of the Chinese Academy...
Skip to content Universe Today Space and astronomy news Menu Videos Newsletter Podcast Contact Us Support Us Log in The white dwarf Sirius B compared to Earth . Credit : ESA and NASA Posted on September 29, 2023 September 29, 2023 by Brian Koberlein Dark Matter Could Be Annihilating Inside White Dwarfs As the search for dark matter particles continues to yield nothing , astronomers continue to look at ways these elusive particles might be found . One general method is to look for evidence of dark matter particle decay . Although dark matter doesn’t interact strongly with regular matter , some dark matter models predict that dark matter particles can interact with each other , causing them to decay into regular particles There have been several searches for this effect , but there’s no
Astronomers say they have spotted evidence of stars fuelled by the annihilation of dark matter particles. If true, it could solve the cosmic mystery of how supermassive black holes appeared so early