Robert Mielenhausen's 'Bike Works'

Pedal your way over to Viridian Artists to behold the mixed-media work of artist Robert Mielenhausen, who creates works inspired by bicycles. (Through Nov. 2, gallery open Tues.-Sat., noon-6 p.m.; opening reception Saturday, 4-7 p.m.; Wine and Words event Nov. 2, 4-6 p.m., FREE, Viridian Artists, 548 W. 28th St., sixth fl., 212-414-4040, viridianartists.com)

Stargazing

Intrepid's Astronomy Night

Reach for the stars, or at least gaze at them, with the Intrepid Sea, Air & Space Museum's Astronomy Night this weekend. BYOB -- that's Bring Your Own Binoculars -- and chat up local astronomers who will be on hand with high-powered telescopes to help you distinguish between the Big and Little Dippers, as well as offer talks and demos on space science. Be sure to RSVP and remember that the event is weather permitting. (Saturday, 7-10 p.m., FREE, Intrepid Sea, Air & Space Museum, Pier 86, 46th St. and 12th Ave., RSVP to educationevents@intrepidmuse um.org, intrepidmuseum.org)