10375 Little Patuxent Parkway, Columbia. 410-313-7860.
•A Comet is Coming to Mars. Sept. 12, 3:30 p.m. Solar system ambassador Becca Sepan answers questions about Comet Siding Spring making a close approach to Mars in October. Ages 8-10. Registration required.
•All Together Now. Saturdays, 10:15 and 11:30 a.m. All ages; 30 minutes.
•Eclectic Evenings. Second Tuesdays, 7 p.m.
•English Conversation Club. Mondays, 10 a.m. and Thursdays, 7:30 p.m. Practice speaking and understanding English in a group setting. Register before...