Launched on July 3rd, NASA’s comet-chasing CONTOUR (Comet Nucleus Tour) space probe fails to respond to an all-important, critically-timed command that would send it toward its first rendevous with a comet. As NASA engineers attempt to regain contact, high-powered telescopes pick up what may be a cloud of the $159,000,000 space probe’s debris as it settles into a leisurely orbit around the sun. A definitive cause for the failure of the CONTOUR mission is never found.

The 119th episode of Stargate SG-1 airs on the Sci-Fi Channel, starring Richard Dean Anderson, Amanda Tapping, Christopher Judge, and Corin Nemec.
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As Apollo 11 astronaut Buzz Aldrin leaves a speaking engagement in Beverly Hills, a self-proclaimed skeptic accosts him, demanding that the astronaut swear on the Bible that he actually went to the moon. With a Japanese news crew’s cameras rolling, Aldrin proceeds to punch the man in the face. The heckler and self-proclaimed “ambush journalist” tries to file assault charges, though police decide in Aldrin’s favor – especially since this is the third time the man has ambushed Aldrin with his theory that all of the Apollo flights to the moon were hoaxes.
Actress Kim Hunter, who played Zira in
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The 123rd episode of Joss Whedon’s supernatural series Buffy The Vampire Slayer, starring Sarah Michelle Gellar, airs on UPN. James Marsters, Anthony Stewart Head, and Alyson Hannigan also star in the seventh season premiere.
An object from space, possibly as much as 300 feet in diameter, explodes in mid-air at night over the mountainous region near Bodaybo, a village in Irkutsk, Siberia, showering the land below with its fragments and destroying nearly 40 square miles of forest. Neither debris nor the actual “impact” site of the airborne explosion are discovered until 2003, when an expedition discovers the destroyed forest land, comparing the sight to the infamous 1908 Tunguska impact zone. Traces of tritium and slightly radioactive cesium and cobalt are discovered surrounding the impact area, possibly indicating a comet nucleus that broke up in Earth’s atmosphere. Despite the size of the object, it was not detected before its near-impact with Earth.
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NASA’s Hubble Space Telescope spots an object beyond the orbit of Pluto, and approximately half the size of Pluto – the largest object discovered in the solar system in over 70 years. With a circular orbit that’s a billion miles further from the sun than Pluto, the body is determined to be approximately 800 miles in diameter. Quaoar is believed to be the largest Kuiper Belt object discovered to date, though its thunder will be stolen a few years later with the discovery of Eris and the demotion of Pluto to a dwarf planet.
Space Shuttle Atlantis lifts off on the 111th shuttle flight, an 11-day construction mission to the International Space Station. Another major structural truss is assembled and attached, serving the primary function of radiating built-up waste heat away from the station and into space. Aboard Atlantis for her 26th flight are Commander Jeff Ashby, Pilot Pamela Melroy, and mission specialists David Wolf, Piers Sellers, Sandra Magnus and Fyodor Yurchikhin.
The first episode of the superhero series Birds Of Prey, based on characters from the DC Comics universe, premieres on the WB, starring Ashley Scott (Dark Angel), Dina Meyer (Star Trek: Nemesis), Rachel Skarsten (Batwoman), Shemar Moore (Criminal Minds), and Ian Abercrombie. Aaron Paul (Breaking Bad) guest stars; Mark Hamill (Star Wars, Batman: The Animated Series) reprises the voice of the Joker. The TV series is created, and the first episode written, by Laeta Kalogridis (Altered Carbon).