Barnard-Seyfert Astronomical Society

BSAS Meeting Location - UPDATED!

Renovations are finished at the Cumberland Valley Girl Scout Council Building, and meetings of BSAS will return there for our next membership meeting April 19! Click here for directions.

Total Solar Eclipse
August 21, 2017

All BSAS members receive twelve free eclipse glasses! Members may purchase up to 25 additional glasses for $1 each. Visit us at a public BSAS meeting to pick up your glasses, or email for more information.

Check here often for our growing list of eclipse events around Middle Tennessee.

March 2017: What It’s Like on a TRAPPIST-1 Planet

With seven Earth-sized planets that could harbor liquid water on their rocky, solid surfaces, the TRAPPIST-1 planetary system might feel familiar. Yet the system, recently studied by NASA’s Spitzer Space Telescope, is unmistakably alien: compact enough to fit inside Mercury’s orbit, and surrounds an ultra-cool dwarf star—not much bigger than Jupiter and much cooler than the sun.

February 2017: Solar Eclipse Provides Coronal Glimpse

On August 21, 2017, North Americans will enjoy a rare treat: The first total solar eclipse visible from the continent since 1979. The sky will darken and the temperature will drop, in one of the most dramatic cosmic events on Earth. It could be a once-in-a-lifetime show indeed. But it will also be an opportunity to do some science.