Astronomer's talk to offer 'distance scale' for universe

2012-12-13T00:00:00Z Astronomer's talk to offer 'distance scale' for universeSubmitted by Michael Chriss Academy Village Volunteer Arizona Daily Star

We all know the universe is big - very big.

But how do we know? That will be the topic of a lecture Wednesday afternoon by Desika Narayanan, astronomer at the Steward Observatory. His talk is part of the continuing Arizona Senior Academy lecture series at the Academy Village, 13715 E. Langtry Lane.

Narayanan, the Bart J. Bok Fellow at the University of Arizona, has long been interested in astronomy. He describes himself as a theorist interested in a broad range of problems related to star formation, galaxy formation and evolution and ISM (interstellar material) physics - especially the ages and the sizes of things, like the universe.

But he also has a zeal to teach and share his love of astronomy with others. That led him to start an astronomy series at the Cambridge Senior Center while he was at Harvard.

Narayanan earned a bachelor of science degree in astronomy and a bachelor of science degree in physics from the University of Florida. He completed his doctoral degree at the UA.

His presentation will be at 3:30 p.m. at the Arizona Senior Academy, adjacent to the community center at Academy Village, an active-adult community located off Old Spanish Trail six miles southeast of Saguaro National Park East.

If you go

• What: "The Distance Scale of the Universe" talk by Desika Narayanan

• When: 3:30 p.m. Wednesday

• Where: Arizona Senior Academy Building at Academy Village, 13715 E. Langtry Lane

• Admission: Free; donations accepted

• Reservations: Recommended; email info@arizonasenioracademy.org or call 647-0980

To contribute a story go to azstarnet.com/east online.

Copyright 2014 Arizona Daily Star. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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