Participate in NASA’s International Observe the Moon Night on Saturday, Oct. 21, 6:30-10 p.m., at the Triton College Cernan Earth and Space Center. Look through Triton and the Chicago Astronomical Society’s telescopes at not only the moon, but also Jupiter and Saturn. Admission is free and all ages are welcome. All we need are clear skies. International Observe the Moon Night is an annual worldwide event that encourages observation, appreciation and understanding of our moon. Everyone on Earth is invited to host or attend an event. For more information about International Observe the Moon Night, visit moon.nasa.gov/observe.  The Triton College Cernan Earth and Space Center hours are Monday-Thursday, 9:30 a.m.-5 p.m.; Friday, 9:30 a.m.-4 p.m.; and Saturday, 6:30-9:30 p.m. The Cernan Center is closed on Sundays.  To follow the Cernan Earth and Space Center on Facebook, visit http://facebook.com/cernancenter/.