Comet ISON

Comet ISON's nucleus appears intact in an image the Hubble Space Telescope captured Oct. 9. ( NASA, ESA, and the Hubble Heritage Team (STScI/AURA) / October 17, 2013)

Learn more about Comet ISON and other visitors to the solar system from the experts who study it right in our backyard.

The Space Telescope Science Institute is holding a monthly lecture Tuesday, this time from astrophysicist Frank Summers, titled “Great Comets from Humble Origins & Eyes on ISON.”

You can also get a chance to peer into the heavens from the institute’s observatory.

The event is free and starts at 8 p.m. in the institute’s auditorium at 3700 San Martin Drive.

If you can't attend, keep track of Comet ISON's travels via the institute's ISON Blog. The comet's closest passage by the sun is less than a month away, on Nov. 28.