More Bogie

The National Theatre continues its Humphrey Bogart summer series with the Howard Hawks-directed film noir classic “The Big Sleep,” starring Bogart as a private detective who gets tangled in murder, blackmail and love after being hired by a wealthy family.

At 6:30 p.m. 1321 Pennsylvania Ave. NW. 202-783-3372. Ticket required.


Jobs panel

It’s been everywhere in the news: the ever-changing job market. Former members of Congress take part in a panel looking at how the current economic problems facing the United States compare with past recessions and which historical solutions have worked or failed.

At 7:30 p.m. National Archives, Constitution Avenue and Ninth Street NW. 202-357-5000. .



The local rapper, who blends hip-hop with traditional rock-and-roll and other sounds, performs a free outdoor concert at Strathmore.

At 7 p.m. 10701 Rockville Pike, North Bethesda. 301-581-5100. .


‘Dancing in the Rays of the Antarctic Sun’

Filmmakers Joy West and Laura Ward Holliday screen their movie that combines 14 poetic works with sweeping shots of Antarctica’s icy, pristine landscape.

At 7 p.m. Takoma Park Community Center, 7500 Maple Ave., Takoma Park. 301-587-1999.


Mars Day

The National Air and Space Museum celebrates the Red Planet with interactive discussions with scientists involved in Mars research, a 3-D display of the planet’s surface, a meteorite found on the planet and other hands-on educational activities.

From 10 a.m. to 3 p.m. Sixth Street and Independence Avenue SW. 202-633-1000. .


Ukulele festival

It’s an event for all things ukulele. Local players perform throughout the day, including Baltimore-based Victoria Vox and multi-instrumental duo the Sweater Set. Attendees also may take part in public jam sessions and visit arts and crafts vendors.

From 11 a.m. to 5:30 p.m. Lake Anne Plaza, 1609-A Washington Plaza, Reston. 703-476-4500. .


NSO Summer Music Institute Orchestra

Musicians ages 14 to 21, participants in a four-week program with master classes and coaching by National Symphony Orchestra performers, will present a program featuring works by Rimsky-Korsakov and Sibelius in the Kennedy Center Concert Hall.

At 6 p.m. 2700 F St. NW. 202-467-4600. .

— Brandon Weigel