The Dark Matter Mystery: Stars Are Moving Too Fast
The Mystery of Dark Matter (1/4): Stars Are Moving Too Fast. A mystery exists! Galaxies do not seem to have enough mass for stars to orbit at their observed speeds. Galaxies should be flying apart, but they don’t. Why not? Explore the surreal world of dark matter — one of the universe’s greatest mysteries. — Please subscribe to Science & Reason: • www.youtube.com • www.youtube.com • www.youtube.com — Shedding Light on Dark Matter Over the last few decades, physicists have discovered that around ninety percent of every galaxy in the universe is made of an unseen substance called dark matter. Damian Pope, pis Senior Manager of Scientific Outreach, comments, Its currently one of the hottest topics in physics. The module provides teachers with tools to show how dark matter was discovered, to explain why it remains a mystery, and to share the passion of scientists who are trying to discover what its made of. This presentation is available to educators on DVD and comes complete with specially-crafted teacher notes. • www.perimeterinstitute.ca The Mystery of Dark Matter Video Game • http — In astronomy and cosmology, dark matter is a form of matter that is undetectable by its emitted electromagnetic radiation, but whose presence can be inferred from gravitational effects on visible matter and background radiation. According to present observations of structures larger than galaxies, as well as Big Bang cosmology, dark matter accounts for the vast majority of the mass in … Read more on The Dark Matter Mystery: Stars Are Moving Too Fast…