Welcome to the University of Arizona Astronomy Club website! Our goal is to inspire and assist anybody with a passion or interest in astronomy and science. We provide opportunities to work on astronomy projects with other students and astronomers who care deeply about astronomy education.


Due to an unforeseen conflict, Matthew Lichtenberger will be holding adjusted office hours this week from 10:00 AM to 12:00 PM on Tuesday, April 8.  Apologies for any inconvenience.

Spring 2014 meetings will be held on Mondays from 4:00 PM to 5:00 PM in Steward Observatory room N305, beginning on 1/27/14. Please see the Meeting Notes page for meeting notes.

The ATOMM program main page is now live! Please feel free to visit the page to learn more about this new peer tutoring opportunity. In the future, the page can be accessed through the Astronomy section of the Resources page. Please feel free to contact us with any questions.

Check out the special session organized by the UA Astronomy Club at the 223rd American Astronomical Society meeting in DC: AAS 223 Session 159 Video or search Youtube for uaastroclub and AAS 223 Session 159.

To join the club, we encourage you to show up to our meetings and join in on our projects or events! Semester dues are $10 which goes toward all of the projects and activities in which we participate. Please peruse our website for much more information about our club. If you have any questions, please use the form on the Contact page.


Thaxton: Thursdays from 11:00 AM to 1:00 PM
Megan: Wednesdays from 12:30 PM to 1:30 PM and from 3:00 PM to 4:00 PM
Sam: Tuesdays from 1:00 PM to 2:00 PM and from 3:00 PM to 4:00 PM
Carmen: Mondays from 11:30 AM to 12:30 PM and Wednesdays from 1:30 PM to 2:30 PM
Ali: Mondays from 2:00 PM to 3:00 PM and Thursdays from 4:00 PM to 5:00 PM
Matthew: Mondays from 5:00 PM to 7:00 PM

If you’re in Phoenix near Arizona State University, join our friends at the ASU Astronomy Club!

Join our group on Facebook!Join our group on Facebook! Visit our YouTube channel!UAAstroClub YouTube Channel
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Sunset All pumpkins in Steward 2013scrapbookpage3 All pumpkins in Steward

NASA Image of the Day

Grand Canyon Geology Lessons on View

The Grand Canyon in northern Arizona is a favorite for astronauts shooting photos from the International Space Station, as well as one of the best-known tourist attractions in the world. The steep walls of the Colorado River canyon and its many side canyons make an intricate landscape that contrasts with the dark green, forested plateau to the north and south. The Colorado River has done all the erosional work of carving away cubic kilometers of rock in a geologically short period of time. Visible as a darker line snaking along the bottom of the canyon, the river lies at an altitude of 715 meters (2,345 feet), thousands of meters below the North and South Rims. Temperatures are furnace-like on the river banks in the summer. But Grand Canyon Village, the classic outlook point for visitors, enjoys a milder climate at an altitude of 2,100 meters (6,890 feet). The Grand Canyon has become a geologic icon—a place where you can almost sense the invisible tectonic forces within the Earth. The North and South Rims are part of the Kaibab Plateau, a gentle tectonic swell in the landscape. The uplift of the plateau had two pronounced effects on the landscape that show up in this image. First, in drier parts of the world, forests usually indicate higher places; higher altitudes are cooler and wetter, conditions that allow trees to grow. The other geologic lesson on view is the canyon itself. Geologists now know that a river can cut a canyon only if the Earth surface rises vertically. If such uplift is not rapid, a river can maintain its course by eroding huge quantities of rock and forming a canyon. This astronaut photograph (ISS039-E-5258) was taken on March 25, 2014 by the Expedition 39 crew, with a Nikon D3S digital camera using a 180 millimeter lens, and is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. It has been cropped and enhanced to improve contrast, and lens artifacts have been removed. > View annotated image Image Credit: NASA Caption: M. Justin Wilkinson, Jacobs at NASA-JSC
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