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Demoted as a Planet, Pluto May Get Another Chance
Astronomers discussing new definition that would include it and other celestial bodies.
Total Solar Eclipse in 6 Months Has Astronomers Preparing
Phenomenon can be seen in 70-mile swath from regon to South Carolina; partly visible in Arizona.
Former UA President Robert Shelton to Head Telescope Project
Shelton, the university's 19th president, has experience with global observatories.
On Way to Bennu, OSIRIS-REx Looks for 'Trojan' Asteroids
The rare objects are hidden from view of Earth's telescopes.
$60K 'Started Ball Rolling' on World-Class Astronomy Research at UA
Donation 100 years ago went for Steward Observatory at eastern edge of campus.
UA's Steward Observatory Celebrates 100th Anniversary
University ranked No. 1 among US space astronomy programs.
UA Astronomer Sees Asteroid 2 Days Before It Whizzes by Earth
NASA-funded Sky Lab's observers have ID'd half of known near-Earth objects.
Does 'Planet Nine' Exist? NAU Astronomer Says Maybe
Three objects discovered at edge of solar system may lead to planet's existence.
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.
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.
Researcher: Part of Pluto Younger Than Thought
Photos show one region with smooth surface, indicating it is less than 10 million years old.
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