1.   At the Jet Propulsion Laboratory, mission controllers finally gave up after six attempts to hear from the lander.

2.   Each will be capable of transmitting images and chemistry findings directly to Earth, where mission controllers can direct the vehicles toward promising features for direct examination and analysis.

3.   In the end, mission controllers just put it to sleep last Wednesday.

4.   It is a cone-shaped device used for docking, Viktor D. Blagov, the deputy Mir mission controller, said in an interview.

5.   Mounted aboard spacecraft, such systems could sense dangers on their own or home in on attractive targets rapidly, without guidance from earthbound mission controllers.

6.   The problem did not come as a complete surprise to mission controllers, who said it might have been caused by radiation.

7.   Using on-board thrusters, mission controllers will vary each orbit so that the spacecraft can focus on a different aspect of the Jovian system.

8.   Viktor D. Blagov, the deputy mission controller, said the debris appeared to be coming from a radiator on the outside of Spektr.

9.   After the final crew leaves, mission controllers will send the Mir to burn in the atmosphere.

10.   After the last crew leaves, mission controllers will send the Mir to burn in the atmosphere.