Universe Today #515 - December 3, 2001
U N I V E R S E
T O D A Y
Space Exploration News From Around the Internet
Updated Every Weekday.
December 3, 2001 - Issue #517
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-- UNIVERSE TODAY STORY SUMMARY --
* Cosmonauts Fix Progress Docking Problem
* Proton Launches Three Satellites
* When Mars Was Wet
COSMONAUTS FIX PROGRESS DOCKING PROBLEM
Russian Cosmonauts Vladimir Dezhurov and Mikhail Tyurin spent 2.5 hours
walking in space Monday morning to help fix an improperly docked Progress
cargo ship. The pair exited the International Space Station at 1320 GMT
(8:20am EST) and found that it was a defective rubberized o-ring seal that
was stopping the Progress from making a "hard lock" with the station. With
this problem overcome, Endeavour has been cleared for launch on Tuesday at
2245 GMT (5:45pm EST).
PROTON LAUNCHES THREE SATELLITES
A Russian Proton-K rocket lifted off from the Baikonur Cosmodrome on Sunday
carrying a payload of three replacement satellites for Russia Global
Navigation Satellite System. Liftoff occurred at 1804 GMT (1:04 pm EST),
and the three satellites - two standard Uragan models and one advanced
Uragan-M version - were placed into a successful orbit four hours later.
WHEN MARS WAS WET
NASA scientists have created an image of what Mars might have looked like
billions of years ago when they believe it was covered with water. Using
data acquired by the Far Ultraviolet Spectroscopic Explorer (FUSE)
spacecraft, scientists measured the amount of molecular hydrogen present in
the planet's atmosphere. Based on this quantity, they estimated that there
was enough water on Mars to create an ocean 1.25 kilometers deep in places.
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