Royalty-Free Caltech Stock Photos & Photography - Page 1

1. 
   Growing Quasar Black Hole At The Center Of A Faraway Galaxy
2. 
   An O-Star In A Murky Star-Forming Region
3. 
   The Twin Brown Dwarfs 2m 0939
4. 
   Planetary System Known As Epsilon Eridani
5. 
6. 
   The Sword Of The Orion Nebula In Outer Space
7. 
   A Dark Cloud Resembling A Snake In Space