M31 Andromeda

Spiral- galaxie wie unsereMilch-strasse

Illustration by R. Hurt

Die Milch-strasse hat einen Balken

http://antwrp.gsfc.nasa.gov/apod/ap050825.html

http://www.mpe.mpg.de/~ghasinger/Allgemein/GDNAe1.pdfVor der Kollision

Astronomers using NASA's Hubble Space Telescope have discovered a ghostly ring of dark matter that formed long ago during a titanic collision between two massive galaxy clusters.

The ring's discovery is among the strongest evidence yet that dark matter exists.

Antennen-Galaxie Sie besteht aus zwei wechsel-wirkenden Galaxien, die miteinander verschmelzen und dabei neue Sterne in Sternentstehungs-gebieten produzieren.

Crab Nebula photographed

by the Hubble Space

Telescope

Helix Nebula,

NGC 7293 or

The Eye of God

Rosettennebel im roten H-alpha-Licht

The Dumbbell Nebula, also known as M27

Letzte Folie: säulenförmige Strukturen im Adlernebel M16mit Sternentsteh-ungsgebieten

                                                                                   

                                                                                         

             

                                                                                         

                                            

                                                                          

                          

                                                                                                                     

                                

                                                                          

                          

When a star like our sun casts off its shell, it creates a nebula that can take a variety of shapes.