re hst servicing mission scheduled for days in article apr den mmc com zwork starfighter den mmc com michael corvin writes i expect that retrieving hst would involve damaging it considerably in order to return it to its cradle in the cargo bay most of the deployed items antennas and especially the solar arays probably are not retractable into their fully stowed position even by hand no the thing is designed to be retrievable in a pinch indeed this dictated a rather odd design for the solar arrays since they had to be retractable as well as extendable and may thus have indirectly contributed to the array flapping problems the retrieval problems are exactly as stated it would be costly would involve extensive downtime and the worry of someone finding a reason not to re launch it and would unnecessarily expose the telescope to a lot of mechanical stresses and possibilities for contamination svr resembles a high speed collision henry spencer u of toronto zoology between svr and sunos dick dunn henry zoo toronto edu utzoo henry
