Two astronauts in white suits on an EVA replacing instruments on the Hubble space telescope.

Astronaut James H. Newman and Michael J. Massimino EVA

With his feet secured on a platform connected to the Remote Manipulator System (RMS) robotic arm of the Space Shuttle Columbia, astronaut Michael J. Massimino, mission specialist, hovers over the shuttle's cargo bay while working in tandem with astronaut James H. Newman, mission specialist, during the STS-109 mission's second day of extravehicular activity (EVA). Inside Columbia's cabin, astronaut Nancy J. Currie, mission specialist, controlled the RMS.

Credits: NASA