Sunday:
March 2, 2003 | |
0702 GMT |  |
Molecular cloud 300 light-years away has a heartbeat
Astronomer Charles Lada of the Harvard-Smithsonian Center for Astrophysics and colleagues have discovered that the dark molecular cloud known as Barnard 68 seems to pulsate like a heavenly tribute to Saint Valentine.
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Who knows how many stars there are?
It must be one of the oldest questions. When you gaze at the sky, you marvel at its immensity. Have you ever, at some stage of your life, looked up into the night sky and wondered just how many stars there are space? The question has fascinated scientists as well as philosophers, musicians, and dreamers through the ages.
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Columbia timeline updated
The following timeline was compiled by William Harwood, CBS News, from telemetry data and transcriptions of the NASA-Select commentary, mission control audio loops and portions of a 13-minute in-cabin video recovered after the accident. The relevant data sources were released by the Columbia Accident Investigation Board.
SEE THE TIMELINE - Updated Saturday
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Saturday:
March 1, 2003 | |
0310 GMT |  |
Video shows crew unaware of impending disaster
Minutes before the shuttle Columbia broke apart 207,000 feet above Texas, commander Rick Husband and his crewmates marveled at the hot gas surrounding the spaceplane as it plunged deeper and deeper into the atmosphere.
FULL STORY
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News Archive
Feb. 17-23: New data shows Columbia's state in final moments; Crew agrees manned space in 'very serious situation'; Melting snow could be cause of gullies on Mars; Missing mass exists as warm intergalactic fog; Where's the coolest place in the Universe?

Feb. 10-16: Latest on Columbia investigation; Age of universe refined; Goodbye Ariane 4: Finale flight for workhorse rocket; Study shows how water may have flowed on Mars.

Feb. 3-9: Complete coverage of Columbia tragedy; NASA mulls space station launch, crew options; NASA's proposed 2004 budget quietly released.

Jan. 27-Feb. 2: COLUMBIA AND CREW LOST - In a devastating tragedy that took the lives of seven astronauts, the space shuttle Columbia disintegrated in the skies over Texas on Feb. 1 as the ship was heading back to Earth.

Jan. 20-26: Air-launched rocket gives boost to climate research; Shock waves may explain water in meteorites; First Milky Ways found at edge of Universe; NASA announces Educator Astronaut Program; Vandenberg receives first Boeing Delta 4 rocket.

More news See our weekly archive of space news.

The ultimate Apollo 11 DVD
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