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.

May 2017: The Fizzy Seas of Titan

With clouds, rain, seas, lakes and a nitrogen-filled atmosphere, Saturns moon Titan appears to be one of the worlds most similar to Earth in the solar system. But its still alien; its seas and lakes are full not of water but liquid methane and ethane.

April 2017: NOAA's Joint Polar Satellite System (JPSS) to Monitor Earth

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.