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Sun and Earth by Joseph Tanner of Goddard Space Flight Center (GSFC)
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STS-115: Stereo Portrait
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STS-115: Stereo Portrait |
| Explanation |
On September 12, astronaut Heidemarie Stefanyshyn-Piper snapped photos of her colleague Joseph Tanner during the STS-115 mission [ http://www.nasa.gov/mission_pages/shuttle/behindscenes/ 115_mission_overview.html ]. At the time, the spacesuited pair were working outside the shuttle orbiter Atlantis, some 300 kilometers above planet Earth [ http://antwrp.gsfc.nasa.gov/apod/ap060921.html ]. Portions of two of the pictures (S115-E-05750 [ http://spaceflight.nasa.gov/gallery/images/shuttle/ sts-115/html/s115e05750.html ] and S115-E-05753 [ http://spaceflight.nasa.gov/gallery/images/shuttle/ sts-115/html/s115e05753.html ]) have been combined in this spectacular 3D image - a stereo anaglyph intended to be viewed with red/blue glasses [ http://photojournal.jpl.nasa.gov/Help/VendorList.html ]. Included in the scene reflected in [ http://mirrorproject.com/ ] Tanner's visor is Stefanyshyn-Piper herself and the Sun shining above the Earth's distant horizon [ http://antwrp.gsfc.nasa.gov/apod/ap060719.html ]. |
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Dark Sky, Bright Sun
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Dark Sky, Bright Sun |
| Explanation |
In low Earth orbit there is not enough atmosphere [ http://liftoff.msfc.nasa.gov/academy/space/atmosphere.html ] to diffuse and scatter sunlight, so shadows are black and the sky is dark [ http://webexhibits.org/causesofcolor/14.html ] - even when the Sun shines. The harsh lighting produced this dramatic effect [ http://antwrp.gsfc.nasa.gov/apod/ap030315.html ] as mission specialist Gregory Harbaugh photographed colleague Joseph Tanner during their second spacewalk to service the Hubble [ http://antwrp.gsfc.nasa.gov/apod/ap970221.html ] Space Telescope in February 1997. The aft section of the Space Shuttle Discovery [ http://antwrp.gsfc.nasa.gov/apod/ap020126.html ] is visible in the background with the Sun hanging over a delicate crescent of the Earth's limb [ http://antwrp.gsfc.nasa.gov/apod/ap030424.html ]. A checklist is attached to Tanner's left arm, and Harbaugh's reflection is [ http://mirrorproject.com/galleries/gantz/ ] just visible in Tanner's visor. |
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Dark Sky, Bright Sun
| Title |
Dark Sky, Bright Sun |
| Explanation |
In low Earth orbit there is not enough atmosphere [ http://liftoff.msfc.nasa.gov/academy/space/atmosphere.html ] to diffuse and scatter sunlight, so shadows are black and the sky is dark - even when the Sun shines. The harsh lighting produced this dramatic effect [ http://antwrp.gsfc.nasa.gov/apod/ap970509.html ] as mission specialist Gregory Harbaugh photographed colleague [ http://shuttle.nasa.gov/sts-82/images/postflight/ ] Joseph Tanner during their second spacewalk to service the Hubble Space Telescope [ http://antwrp.gsfc.nasa.gov/apod/ap970221.html ] in February 1997. The aft section of the Space Shuttle Discovery [ http://antwrp.gsfc.nasa.gov/apod/ap960101.html ] is visible in the background with the Sun hanging over a delicate crescent of the Earth's limb [ http://antwrp.gsfc.nasa.gov/apod/ap970527.html ]. A checklist is attached to Tanner's left arm, and Harbaugh's reflection is just visible in Tanner's visor. |
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