During space station fix-up, Russian becomes world's oldest spacewalker

NASA TV

Russian cosmonauts Roman Romanenko (bottom) and Pavel Vinogradov float outside the International Space Station on Friday during a spacewalk.

By Marcia Dunn, The Associated Press

CAPE CANAVERAL, Fla. A 59-year-old Russian cosmonaut became the world's oldest spacewalker Friday, joining a much younger cosmonaut's son for a little maintenance work outside the International Space Station.

Pavel Vinogradov, a cosmonaut for two decades, claimed the honor as he emerged from the hatch with Roman Romanenko. But he inadvertently added to the booming population of space junk when he lost his grip on an experiment tray that he was retrieving toward the end of the 6-hour spacewalk.

The lost aluminum panel 18 inches by 12 inches (45 by 30 centimeters) and about 6 pounds (3 kilograms) contained metal samples. Scientists wanted to see how the samples had fared after a year out in the vacuum of space.

Otherwise, the spacewalk went well, with the spacewalkers installing new science equipment and replacing a navigation device needed for the June arrival of a European cargo ship.

Collecting the experiment tray was Vinogradov's last task outside.

The tray drifted toward the solar panels of the main Russian space station compartment, called Zvezda, Russian for Star. Flight controllers did not believe it struck anything, and the object was not thought to pose a safety hazard in the hours and days ahead.

"That's unfortunate," someone radioed in Russian.

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During space station fix-up, Russian becomes world's oldest spacewalker