Kitt Peak National Observatory

The orange glow of light pollution from Phoenix and Casa Grande lights the skies north of the SARA 0.9 meter, left, the Spacewatch 0.9 meter, the CWRU Burrel Schmidt 0.6 meter, the Steward Observatory's Bok 2.3 meter and the KPNO Mayall 4 meter telescopes at Kitt Peak National Observatory in 2010.

November 09, 2013 5:51 pm  • 
Activate

Latest Video

More videos

Wildcats gear up for Cal

UA's Rich Rodriguez and player William Parks talk about their win against Nevada and upcoming game against Cal.


Follow the Arizona Daily Star

Featured businesses

View more...
View more...

Deals, offers & events

View more...

The hearing of a dog is more sensitive than humans.

Dogs can hear much higher frequencies, which is why they respo…