The Bravest

what: Bruce McCandless II in the MMU

where: Low Earth orbit
who: STS-41B
why: Astronauts McCandless and Stewart performed the first untethered space walk operating the Manned Maneuvering Unit (MMU) for the first time.
more: Hi-Res version [3072x3072,7.5Mb] More about MMU, More about STS-41B

what: Buzz Aldrin on the Moon

where: 384399 kms
who: Apollo 11
why: No other Apollo photograph has been reproduced as often as this portrait of Buzz.
more: Hi-Res version [2349x2373,1.1Mb] Original TV footage [6.4Mb]

Curly

what: Aurora Australis from the Space Shuttle Discovery

where: South Pole
who: STS-114
more: Hi-Res version, Mirror [2946x1932,2.1Mb] About Auroras

what: Aurora Australis from far away

where: South Pole
who: I.M.A.G.E.
more: Wallpaper [1280x1024,185kb] Raw image [1280x1024,3.7Mb] About Auroras

How we explore

what: Driving on the Moon

where: 384399 kms
who: Apollo 17
more: Hi-Res version [1500x1501,1.7Mb] About Apollo 17

what: Building the ISS

where: 350 kms
who: STS-116
more: Hi-Res version [3032x2064,1.7Mb] About STS-116

Irregular

what: Total Moon Eclipse 2007

where: 384399 kms
who: turfcutter
more: Hi-Res, Mirror [3456x2304,775kb] About lunar eclipses, More..

what: Extreme Ultraviolet Sun

where: 150 million kms
who: Solar Terrestrial Relations Observatory
more: Hi-Res [1800x1800,1.1Mb] More..

Infinite zoom

what: Extended Groth Strip

where: 6.5 billion lightyears
who: Hubble Space Telescope
more: High quality video 1 [640x480,97.6Mb] High quality video 2 (narrated) [640x360,83.8Mb] Data Sheet

Crystal clear

what: Saturn

where: 1.5 billion kms
who: Cassini-Huygens
more: Hi-Res version [4088x2908,1.9Mb] Data Sheet

what: Saturn

where: 1.5 billion kms
who: Cassini-Huygens
more: Hi-Res version [1589x1402,756kb] Data Sheet