The Early Word: The Urban Night Sky

1. Have you ever wondered what it would be like to meander through Fort Greene Park at night? Have you ever looked up at the sky and wondered which constellations you were seeing? Have you ever imagined the wildlife that comes out at twilight? Join The Fort Greene Park Conservancy and Paul Kiem for . Fort Greene Park, 123 Dekalb Ave. 7:30 p.m. Free.

2. The focuses on improving or creating a marketing strategy for your business with topics including branding your business, best advertising venues and setting up advertising campaigns. Registration required. Pratt Area Community Council, 896 Fulton St. 6 p.m. $15.

3. for 4th, 5th, and 6th graders interested in exploring and developing their artistic skills. Clinton Hill Library, 380 Washington Ave. 4:30 p.m. to 6:30 p.m. Free.

4. Brooklyn-based Wired magazine writer Andrew Blum to understand what everyone uses but few understand: the Internet. W. W. Norton editor (and Fort Greene neighbor) Matt Weiland joins in. Greenlight Bookstore, 686 Fulton St. 7:30 p.m. Free.

5. Alternate side parking rules are in effect.