The University of Arizona
Afghanistan and Pakistan Gems Shine

Afghanistan and Pakistan Gems Shine

UA Mineral Museum exhibit features some of the best and rarest specimens ever displayed.
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Brain Teasers 2 Exhibit

Brain Teasers 2 Exhibit

These 20 puzzles will challenge your creative thinking, encourage you to look for patterns, and make you set aside preconceived notions.
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Family Fun Time

Family Fun Time

Enjoy a planetarium show and our new laser show featuring the music of Justin Bieber, Katy Perry, Lady Gaga, and more!
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Skywatchers’ Guide for September 2011

This sky chart shows Saturn, the Moon and the star Spica in the western evening sky on September 1, one hour after sunset from the Desert Southwest. This sky chart is most useful for the continental United States, Hawaii, southern Canada and northern Mexico. August 30, 2011

Bright Jupiter nears its maximum brightness and apparent size at the end of this month. Saturn is sinking into the glare of the Sun in the western evening twilight with the bright star Spica. Brilliant Venus might be visible in very bright twilight in the west on Sept. 30 when grouped with Saturn. Elusive Mercury is best visible 45 minutes to one hour before sunrise Sept. 1-12. September is a great month for sporadic or chance meteors (shooting stars) and the Milky Way is prominently visible after sunset in reasonably dark skies away from city lights. The fall or autumnal equinox occurs for the Desert Southwest at 2:02 a.m. MST on Sept. 23.

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Skywatchers’ Guide for August 2011

Saturn, the Moon and the western evening sky one hour after sunset on August 3. This sky chart is useful for much of the United States, southern Canada and northern Mexico. July 29, 2011

Three planets are easily visible and widely spaced in our sky this month. Saturn is sinking toward the horizon in the western evening sky and sets early, by 8:30 p.m. by the end of the month. About 100 minutes after Saturn sets, bright Jupiter will rise in the east. Mars, the dimmest of the three, is a morning object, best visible around 2 hours before sunrise. The bright summer Milky Way is best visible on clear August nights starting around 90 minutes after sunset and into the late night hours. The annual Perseid meteor shower, one of the best meteor showers of the year, peaks on the nights of August 11-12, 12-13 and 13-14, but is washed out by the Full Moon on August 13.

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Schedule Change for July 22nd

July 12, 2011

Our Laser Show scheduled for 7pm on July 22, 2011 will be cancelled for a private event. We apologize for the inconvenience. However, we will still open at 7pm, and will be having our 8pm Pink Floyd Laser show.

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Get Your Monsoon On!

July 8, 2011

Flandrau will be hosting a special Monsoon Event in connection with our Monsoon Exhibit this Saturday, July 9.

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Podcast Archive

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    From Karen Oros on Plan Your Visit

    I had taken my kids to the observatory when they were young and thought it was closed. I was pleased ...

    From Sandra Grieves on Skywatchers’ Guide for May 2011

    no matter how many books we buy on finding stars, this site is the BEST for helping us as we ...

    From Kelly Harris on Astronomy Links

    Hi, Your resource: http://www.flandrau.org/astronomy/astronomy-links/ on weather resources and information is great! I am a teacher that runs an environmental after ...

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Science quote of the day
To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.
Nicolas Copernicus