EVA 4 activity on Flight Day 7 to service the Hubble Space Telescope

EVA tool preparation for upcoming Hubble Space Telescope servicing spacewalks

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Cannonballs Shoot from Star (Artist Concept)

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STS-61 crewmembers prepare covers for magnetometers on HST

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Astronaut Kathryn Thornton during second HST extravehicular activity

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Astronaut Claude Nicollier on flight deck at controls of the RMS

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Flight controller Kevin McCluney monitors STS-61 astronauts during EVA

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STS-61 crewmembers in the WETF rehearsing for HST repair mission

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STS-61 air-bearing floor training in bldg 9N with Astronaut Jeff Hoffman

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Astronaut Claude Nicollier at RMS controls on aft flight deck

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Astronauts Thomas D. Akers and Kathryn C. Thornton during WETF training

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Space Science

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Space Shuttle Projects

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A Lopsided Lynx

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Smoke Ring for a Halo

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Space Science

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Rare Ultra-blue Stars Found in Neighboring Galaxy's Hub

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The beautiful side of IC 335

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NASA Telescopes Help Discover Surprisingly Young Galaxy

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ESO 2.2-m WFI Image of the Tarantula Nebula

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Tracing the growth of Milky Way-like galaxies

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Scientists Track Perfect

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Satellite Footprints Seen in Jupiter Aurora

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Evolution in slow motion

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Space Science

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