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More Astronomy Stories
Does 'Planet Nine' Exist? NAU Astronomer Says Maybe
Three objects discovered at edge of solar system may lead to planet's existence.
Meet Marshall Flippo, an 89-Year-Old Square Dance Caller Who Still Loves His Work
Also on Arizona Spotlight: Results from the state primary; the impending launch of OSIRIS-REx; and Gene Wilder remembered.
Asteroid Mission Focus of UA Planetary Science Open House
Next door, the Flandrau Science Center will unveil its renovated planetarium theater.
UA Scientists to Make 3-D Map of Universe for Dark Energy Clues
Kitt Peak instrument will measure light of 35 million objects over 5 years.
Tucson Planetary Researcher Awaits Far Out Photo Op
Camera aboard spacecraft Juno, now orbiting Jupiter, soon wll deliver images.
Two Meteor Showers Will Dazzle in Arizona's August Sky
Overlapping showers mean lots of visible shooting stars.
UA Student Discovers Distant Planet in Three-Star System
Four times Jupiter's mass, celestial body can offer clues to planetary formation.
UA Planetary Images Get (Postage) Stamp of Approval
Scientist’s work will now grace U.S. mail
Era of Solar Discovery on Kitt Peak Coming to an End
Larger telescope on Maui will continue research
Tucson Amateur Astronomers Host Free Star Party
Saturday is international Astronomy Day
Vail's Cienega High Students to Document 2017 Solar Eclipse
Monday's Mercury transit provides telescope and data collection training.
Book Chronicles History of Planetary Science in Tucson
'Under Desert Skies' details pivotal role played by UA scientists
Bill Would Loosen Restrictions on Electronic Billboards
Astronomers worried that it will lead to incremental loss of dark skies.
Researcher: Part of Pluto Younger Than Thought
Photos show one region with smooth surface, indicating it is less than 10 million years old.
Comet Catalina Makes Brief Appearance
Discovered by Catalina Sky Survey in 2013
Arizona Spotlight for the 2015 holiday season
More local StoryCorps conversations; exploring the "Xenophobia Blues"; discovering Comet Catalina, and some of the year's best stories.
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