1.   Astronauts plan to experiment with space lasers, launch and retrieve a solar observatory, and test fire a new jet pack on an untethered spacewalk.

2.   After discovering that other churches throughout Europe had solar observatories, he produced a book rich in old drawings, equations, geometrical figures and astronomical lore.

3.   Columbia astronauts lost their Spartan solar observatory Friday when the spacecraft malfunctioned moments after its release and an effort to snag it nudged the satellite into a slow tumble.

4.   Danti was rewarded with a commission to build a solar observatory in the Vatican itself within the Torre dei Venti, or Tower of the Winds.

5.   Earlier in the flight, the astronauts deployed and retrieved the Spartan solar observatory.

6.   Experts will work through the Thanksgiving weekend assessing the prospects for redeploying the Spartan solar observatory from the Columbia space shuttle, NASA said Wednesday.

7.   He lives in England and travels widely to study old solar observatories.

8.   In its scientific zeal, the Church adapted cathedrals across Europe, and a tower at the Vatican itself, so their darkened vaults could serve as solar observatories.

9.   NASA administrator Dan Goldin vowed to give the Spartan solar observatory another chance after an investigation into its malfunction.

10.   NASA administrator Dan Goldin vows to give the Spartan solar observatory another chance after an investigation into its malfunction.