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In Pictures: Skylab, NASA's first space station ma...
Here astronaut Owen Garriott performs a spacewalk at the Apollo Telescope Mount (ATM) of the Skylab space station cluster in Earth orbit. Garriott had just deployed the Skylab Particle Collection Experiment. The purpose of the experiment was to collect material from interplanetary dust particles on prepared surfaces suitable for studying their impact phenomena, NASA said.
In Pictures: Skylab, NASA's first space station marks 40 years