Classifying galaxies is hard, and different people do it different ways Except for nearby, we can only see bright galaxies I will ignore dwarf spheroidal.
Fu Jian Max Planck Institute for Astrophysics, Garching 18/12/2012 1.
A1 20 Milky Way
2014 NASA-ESA-HST advent calendar, created from images published on .
Kathryn wheel a_spectacular_galaxy_collision_discoverd_in_the_galactic_neighbourhood
Galaxies Live in Clusters Hickson Fornax. Coma Virgo.
Copy everything in this colour into your notes!. Galaxies & Stars.
Galaxy Collisions Top left is an image of the Cartwheel galaxy. The ring of young stars was likely created as a smaller galaxy passed through the disk.
Chapter 25 Galaxies and Dark Matter. 25.1 Dark Matter in the Universe We use the rotation speeds of galaxies to measure their mass:
The Cartwheel galaxy's unusual wagon-wheel shape was created by a nearly head- on collision with a smaller galaxy. The image below right is a composite.
In Case You Weren’t Aware 2-8-11. NASA Finds Earth-Size Planet Candidates in Habitable Zone, Six Planet System NASA discovered first Earth-size planet.
1 KIAA Lectures Beijing, July 2010 Ken Freeman, RSAA, ANU Lecture 2: dynamical processes which lose information.
