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An HD animation of Jupiter created with maps made with Hubble imagery, 2015.

Jupiter to Shine Its Brightest and Biggest

Largest planet making closest approach to Earth this year Friday.
New Horizons captured this image of Pluto's glacial ice cap in July 2015.

Demoted as a Planet, Pluto May Get Another Chance

Astronomers discussing new definition that would include it and other celestial bodies.
NASA camera captured this total solar eclipse.

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.
The Giant Magellan Telescope will be constructed in the Las Campanas Observatory in Chile and will be commissioned in 2022.

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.
A picture postcard issued by the University of Arizona of Steward Observatory, 1955.

$60K 'Started Ball Rolling' on World-Class Astronomy Research at UA

Donation 100 years ago went for Steward Observatory at eastern edge of campus.
The Steward Observatory on the University of Arizona campus

UA's Steward Observatory Celebrates 100th Anniversary

University ranked No. 1 among US space astronomy programs.
Asteroid 2016 RB1 flew past Earth on Sept. 7, 2016 going an estimated 18,000 mph.

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.
Kuiper Space Sciences Building at the University of Arizona.

Asteroid Mission Focus of UA Planetary Science Open House

Next door, the Flandrau Science Center will unveil its renovated planetarium theater.
The NOAO Mayall 4-meter telescope at the Kitt Peak National Observatory.

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.
NASA's Juno mission to Jupiter will examine the origin and evolution of the solar system's largest planet.

Tucson Planetary Researcher Awaits Far Out Photo Op

Camera aboard spacecraft Juno, now orbiting Jupiter, soon wll deliver images.
False-color image of a 2011 Geminid meteor, seen by a camera at New Mexico State University.

Two Meteor Showers Will Dazzle in Arizona's August Sky

Overlapping showers mean lots of visible shooting stars.
Completed in 1962, the National Solar Observatory's McMath-Pierce Solar Telescope at Kitt Peak, Arizona, is the world's largest solar telescope.

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
Students at Cienega High School in Vail use telescopes to observe Mercury passing between the Sun and Earth during the May 9, 2016, transit event.

Vail's Cienega High Students to Document 2017 Solar Eclipse

Monday's Mercury transit provides telescope and data collection training.

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