Astronomy

EVENING STARGAZING -- Saturday, 8:15-11 p.m. Einstein Planetarium astronomer Sean O'Brien hosts a telescopic viewing of the night sky away from city lights. Sky Meadows State Park, 11012 Edmonds

Lane, Delaplane. Free, parking $4. 540-592-3556.

Billiards

CHARITY POOL FOR PETS TOURNAMENT -- Today, 10 a.m.-5 p.m. The Animal Welfare League of Arlington hosts a competition in which players shoot pool with a variety of objects, including a baseball bat, broomstick and tennis racket. Proceeds benefit the AWLA. Champion Billiards Sports Cafe, 2620 Shirlington Rd., Arlington. $15. 703-521-3800.

Books and Authors

RALPH NADER -- Monday at 7 p.m. The presidential candidate discusses his new book, "The Good Fight," with NPR's Daniel Zwerdling. Borders, 18th and L streets NW. Free. 202-466-4999.

STACEY D'ERASMO -- Tuesday at 7 p.m. The former Village Voice editor and the author of "Tea" discusses her new book, "A Seahorse Year," about a San Francisco family that is transformed by the breakdown of a troubled teenage boy. Olsson's, 1307 19th St. NW. Free. 202-785-1133.

HANK STEUVER -- Friday at 7 p.m. The Washington Post writer reads from his new book, "Off-Ramp: Adventures and Heartache in the American Elsewhere," a humorous look at the American experience. Politics & Prose, 5015 Connecticut Ave. NW. Free. 202-364-1919.

Cycling

PEDAL THROUGH THE PAST -- Saturday, 10 a.m.-2 p.m. A 12-mile, round-trip bike ride along the C&O Canal between Georgetown and Little Falls. Led by a park ranger. Free mountain-bike loans to the first 12 riders. 1057 Thomas Jefferson St. NW. Free. 202-653-5190.

Dance

BALLROOM DANCE -- Today, 3-6 p.m. Lessons 3-3:30 p.m. Presented by Flying Feet Productions, with the LaSalle Dance Orchestra. Glen Echo Park, Spanish Ballroom, 7300 MacArthur Blvd., Glen Echo. $7. 301-229-8728.

MILONGA -- Today, 7-11 p.m. Tango lessons 7-8 p.m. A night of Argentine tango with DJ music. Glen Echo Park, Spanish Ballroom, 7300 MacArthur Blvd., Glen Echo. $10. 301-229-8728.

AFRICAN DANCE CLASS -- Saturday, 11 a.m.-1 p.m. Learn dances of the Africa Diaspora. All ages welcome. Josephine Butler Parks Center, 2437 15th St. NW. $10. 202-368-8677.

Lectures

HIP-HOP THEATRE -- Today at 6 p.m. A panel discussion followed by a Young Artist Grant Workshop for local artists at 8 p.m. Part of the D.C. Hip-Hop Theater Festival. Holiday Inn Downtown, 1155 14th St. NW. Free. 202-724-5613.

IDENTITY THEFT -- Wednesday, 7-9 p.m. Timothy Gallagher of the FBI's Financial Crimes Section provides a look at identity-theft schemes and how you can protect yourself. S. Dillon Ripley Center, 1100 Jefferson Dr. SW. $25. 202-357-3030.

HORROR AND THE AVANT-GARDE -- Thursday, 7:45-8:30 p.m. The Hirshhorn's Kerry Brougher examines the horror film genre in connection with the museum's series of Mexican horror films. Hirshhorn Museum and Sculpture Garden, Ring Auditorium, Seventh Street and Independence Avenue SW. Free. 202-357-2700.

PHRENOLOGY -- Saturday, 1-2 p.m. The National Park Service presents a talk on the Victorian-era pseudo-science of determining a person's character based on the shape of their head. With an

exhibit. Clara Barton House,

5801 Oxford Rd., Glen Echo. Free. 301-492-6245.

Miscellaneous

SUMMER FESTIVAL 2004 -- Through July 27. A series of jazz, opera and classical music performances on Tuesday and Friday evenings, with organ recitals Sundays. Today at 5 p.m.: organist Edward Moore. Tuesday at 7:30 p.m.: a celebration of composer George Crumb,

"The Cosmos According to Crumb, Part 3." Friday at 7:30 p.m.: jazz guitarist Rick Whitehead. Washington National Cathedral, Massachusetts and Wisconsin avenues NW. Free. 202-537-6216. For complete schedule, visit www.cathedral.org.

Movies

RUNNING ON KARMA -- Today at 2 p.m. Part comedy, part thriller, featuring Hong Kong star Andy Lau as a Buddhist monk turned exotic dancer who has the ability to see other people's karma and helps a cop catch a dangerous criminal. Part of the "Made in Hong Kong Film Festival." In Cantonese with English subtitles. Freer Gallery of Art, Jefferson Drive and 12th Street SW. Free. 202-633-1000.

THE VIRGIN SPRING -- Today at 4:30 p.m. A folk-ballad-like story set in 14th-century Sweden about a father who seeks revenge against three drifters who murdered his daughter. Starts the "Ingmar Bergman: Early Work" film series. National Gallery of Art, East Building, Auditorium, Fourth Street and Constitution Avenue NW. Free. 202-737-4215.

MASTER GAME -- Monday at 6:30 p.m. When painter Arnulf Rainer's works were covered over with black paint in 1994, a mysterious right-wing letter claimed responsibility for the attack against "destructive modernism." Filmmaker Lutz Dammbeck investigates the story. Part of the series "Hybrid Forms: New Trends in Documentary Filmmaking." In German with English subtitles. Goethe-Institut, 812 Seventh St. NW. $5, seniors and students $3. 202-289-1200.

SECRETS OF WOMEN -- Wednesday at 7 p.m. Three sisters-in-law reminisce about past romantic experiences while their husbands are away, in this lighthearted look at fidelity and infidelity from director Ingmar Bergman. Part of the "Bergman's Women" series. National Museum of Women in the Arts, 1250 New York Ave. NW. $6; members, students and visitors older than 60 $5. 202-783-5000.

SANTO THE SILVER-MASKED MAN VS. THE VAMPIRE WOMEN -- Thursday at 8:30 p.m. A pack of seductive vampires hit the party circuit to prey on unsuspecting victims and find a successor to their queen. Can Santo save the day? Closes the "Mexican Vintage Sci-Fi and Horror" film series. In Spanish with English subtitles. Hirshhorn Museum and Sculpture Garden, Ring Auditorium, Seventh Street and Independence Avenue SW. Free. 202-357-2700.

SLOW FOOD ON FILM -- Thursday at 9:15 p.m.; Saturday and July 18 at 5 p.m. Short narrative, animated and documentary films about food from several countries. Friday includes "Heterogenic," about a special corn created by a mad scientist; "Fishtale," the story of a boy who catches his first fish but can't bring himself to eat it; and "Yum Yum Yum," a look at Cajun and Creole culture. Saturday includes "Saving Seeds," about tomato workers fighting big business, and "A Love Supreme," which dissects the making of a samosa. AFI Silver Theatre, 8633 Colesville Rd., Silver Spring. $8.50, seniors and students $7.50. 301-495-6720.

Parties

D.C. HIP-HOP DJ/PRODUCER SHOWCASE -- Tuesday, 7 p.m.-

1 a.m. A showcase of local talent, with a performance by Asheru of Unspoken Heard. Part of the D.C.

Hip-Hop Theater Festival. Blue

Room, 2321 18th St. NW. Free. 202-332-0800.

Poetry

POET-A-TETE -- Tuesday at 7:30 p.m. A poetry open mic with host Cheryl Crockett. Barnes & Noble, 2800 Clarendon Blvd., Suite 500, Arlington. Free. 703-248-8244.

THE BATCAVE -- Wednesday at 7:30 p.m. Open mic for all forms of spoken word. District of Columbia Arts Center, 2438 18th St. NW. Free. 202-462-7833.

TRINITY OPEN MIC -- Thursday at 7 p.m. Ayana Howard hosts an open-mic night with refreshments and a live band. Trinity College, Kerby Lounge, 125 Michigan Ave. NE. Free. 202-258-0168.

OPEN-MIC POETRY SLAM -- Friday, 7:30-9:30 p.m. Local

poet Kenneth Carroll hosts an

open mic for young-adult poets. Anacostia Museum and Center for African American History and Culture, 1901 Fort Pl. SE. Free. To make reservations to perform, call 202-287-3369.

IN YOUR EAR -- July 18 at 3 p.m. The series focuses on alternative and avant-garde poetry. District of Columbia Arts Center, 2438 18th St. NW. $3. 202-462-7833.

GET LISTED. E-mail or fax notices -- with dates, time, address, cost and phone number -- to sourcelist@washpost.com or 202-496-3537. Or mail them to Listings, Sunday Source, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071-5650. Deadline is two weeks before publication date.