1 / 13

DARK MATTER

DARK MATTER. What is Dark Matter?. Not “not-bright” matter Makes up ~85-90% of the mass in the universe W eakly I nteracting M assive P articles DM only talks to itself and normal matter via gravity So how do we know its there?…. Rotation Curves.

candy
Download Presentation

DARK MATTER

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. DARK MATTER

  2. What is Dark Matter? • Not “not-bright” matter • Makes up ~85-90% of the mass in the universe • Weakly Interacting Massive Particles • DM only talks to itself and normal matter via gravity • So how do we know its there?…

  3. Rotation Curves • Use the circular velocity of stars to measure the mass inside

  4. Other Galaxies Have Dark Matter

  5. Other Galaxies Have Dark Matter

  6. Other Galaxies Have Dark Matter

  7. Our Galaxy Has Dark Matter

  8. COLLIDING GALAXIES

  9. Spiral…

  10. A Mess…

  11. A Mess… Grow a supermassive Black hole at the center

  12. … to Elliptical

More Related