| Astronomy | |
| Type: | studio |
| Artist: | Bleach |
| Cover: | Astronomy(album).jpg |
| Recorded: | 2003 at Compound Recordings, Seattle, WA |
| Genre: | Christian rock |
| Length: | 40:07 |
| Label: | Tooth & Nail Records |
| Producer: | Oran Thornton Bleach |
| Prev Title: | Again, For the First Time |
| Prev Year: | 2002 |
| Next Title: | Farewell Old Friends |
| Next Year: | 2005 |
Astronomy is the fifth full-length album by the Christian rock band Bleach. It was released in 2003 under Tooth & Nail Records. This album was dedicated to Captain Josh Byers who was killed in the Iraq War on July 23, 2003. He was the brother of band members Milam Byers and Jared Byers.