Second spacewalk today
by colleen on May.15, 2009, under SM4
Today, astronauts Mike Good and Mike Massimino will conduct the second EVA (or spacewalk). On the agenda will be the replacement of three rate sensing units, part of the important gyro assemblies. The gyro assemblies are vital components as they sense vehicle motion and provide rate data to help aim Hubble precisely for its science observations.
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Welcome to the Hubble Space Telescope Servicing Mission 4 Blog
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ESA/Hubble Outreach Coordinator Colleen Sharkey blogs live from the launch site at Kennedy Space Center in Florida, USA and from Goddard Space Flight Center in Greenbelt, Maryland, where a team of European engineers and scientists provide mission support.
