Astronomy with cats:
- The Arecibo Observatory Cats (Cats and affiliate felines of the Arecibo Observatory)
- Ceiling Cats (Phobos, Deimos, and Eureka, tweeting from the Sonett Space Sciences building at the University of Arizona)
- The Black Cat of the Observatory (Greenwich)
- The CatHouse Observatory (Trowbridge, Wiltshire)
- Ringtail Cat 2009 (Whipple Observatory)
- Ringtail Cat 2013 and Jaguar 2013 (MMT/Whipple Observatory)
- Cat’s Paw Nebula (NGC 6334)
- Cat’s Eye Nebula (NGC 6543)
- “Comets are like cats” (says David H. Levy)