The astronauts will begin an eight-hour sleep period at 8:31
a.m. Central time this morning and will be awakened at 4:31 this
afternoon to begin their fourth day in space. Columbia is flying
smoothly, orbiting the Earth every 90 minutes at an altitude of 182
The next STS-93 status report will be issued late this afternoon
following crew wake up, or as developments warrant.
Go to STS-93 Flight Day 4 Highlights: