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DNA Building Blocks Can Be Made in Space

NASA-funded researchers have evidence that some building blocks of DNA, the molecule that carries the genetic instructions for life, found in meteorites were likely created in space. The research gives support to the theory that a "kit" of ready-made parts created in space and delivered to Earth by meteorite and comet impacts assisted the origin of life.
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More information on this topic available at:
http://www.nasa.gov/topics/solarsystem/features/dna-meteorites.html

This web short gives an overview of the exciting discovery.    This web short gives an overview of the exciting discovery.
Duration: 2.8 minutes
Available formats:
  640x360 (29.97 fps) QT (Quicktime) 71 MB
  1280x720 (29.97 fps) WMV (Windows Media) 89 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 16 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 78 MB
  1280x720 (29.97 fps) QT (YouTube) 100 MB
  1280x720 (29.97 fps) QT (ProRes) 1 GB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 32 MB
  320x180     PNG           115 KB
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This animation depicts the presence of adenine and guanine, two nucleobases found in DNA, inside a meteorite sample.    This animation depicts the presence of adenine and guanine, two nucleobases found in DNA, inside a meteorite sample.
Duration: 19.1 seconds
Available formats:
  1280x720 (59.94 fps) QT (ProRes) 332 MB
  1280x720 (29.97 fps) QT (YouTube) 11 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 9 MB
  1280x720 (29.97 fps) WMV (Windows Media) 9 MB
  640x360 (29.97 fps) QT (Quicktime) 7 MB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 3 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 1 MB
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Animation depicting the structural differences between standard and non-standard nucleobases.    Animation depicting the structural differences between standard and non-standard nucleobases.
Duration: 26.7 seconds
Available formats:
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 2 MB
  1280x720 (29.97 fps) WMV (Windows Media) 3 MB
  1280x720 (59.94 fps) QT (ProRes) 161 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 3 MB
  1280x720 (29.97 fps) QT (YouTube) 4 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 662 KB
  640x360 (29.97 fps) QT (Quicktime) 2 MB
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Animation depicting the comparison of molecule types found in various samples.    Animation depicting the comparison of molecule types found in various samples.
Duration: 6.2 seconds
Available formats:
  640x360 (29.97 fps) QT (Quicktime) 4 MB
  1280x720 (29.97 fps) WMV (Windows Media) 4 MB
  1280x720 (29.97 fps) QT (YouTube) 7 MB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 2 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 941 KB
  1280x720 (59.94 fps) QT (ProRes) 361 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 5 MB
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Animation depicting how a hydrogen cyanide reaction inside a meteorite may have created the variety of nucleobases found in samples on Earth.    Animation depicting how a hydrogen cyanide reaction inside a meteorite may have created the variety of nucleobases found in samples on Earth.
Duration: 21.6 seconds
Available formats:
  1280x720 (29.97 fps) QT (YouTube) 13 MB
  1280x720 (59.94 fps) QT (ProRes) 375 MB
  1280x720 (29.97 fps) WMV (Windows Media) 12 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 10 MB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 3 MB
  640x360 (29.97 fps) QT (Quicktime) 10 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 1 MB
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Animation depicting the locations of several meteorite impacts on Earth.    Animation depicting the locations of several meteorite impacts on Earth.
Duration: 10.0 seconds
Available formats:
  320x240 (29.97 fps) MPEG-4 (iPod) 598 KB
  1280x720 (29.97 fps) WMV (Windows Media) 3 MB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 1 MB
  1280x720 (29.97 fps) QT (YouTube) 5 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 3 MB
  640x360 (29.97 fps) QT (Quicktime) 2 MB
  1280x720 (59.94 fps) QT (ProRes) 130 MB
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Animation depicting a meteorite heading toward an early Earth.    Animation depicting a meteorite heading toward an early Earth.
Duration: 19.9 seconds
Available formats:
  960x540 (29.97 fps) MPEG-4 (AppleTV) 9 MB
  1280x720 (29.97 fps) QT (YouTube) 12 MB
  1280x720 (59.94 fps) QT (ProRes) 322 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 1 MB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 3 MB
  1280x720 (29.97 fps) WMV (Windows Media) 10 MB
  640x360 (29.97 fps) QT (Quicktime) 8 MB
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Animation depicting an asteroid moving through space.    Animation depicting an asteroid moving through space.
Duration: 8.0 seconds
Available formats:
  1280x720 (29.97 fps) WMV (Windows Media) 4 MB
  640x360 (29.97 fps) QT (Quicktime) 3 MB
  1280x720 (59.94 fps) QT (ProRes) 138 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 745 KB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 1 MB
  1280x720 (29.97 fps) QT (YouTube) 5 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 3 MB
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Interview clips featuring Mike Callahan, Research Physical Scientist in the Astrobiology Analytical Laboratory at Goddard Space Flight Center.    Interview clips featuring Mike Callahan, Research Physical Scientist in the Astrobiology Analytical Laboratory at Goddard Space Flight Center.
Duration: 58.0 seconds
Available formats:
  1280x720 (29.97 fps) QT (YouTube) 35 MB
  1280x720 (59.94 fps) QT (ProRes) 924 MB
  960x540 (29.97 fps) MPEG-4 (AppleTV) 28 MB
  640x360 (29.97 fps) QT (Quicktime) 25 MB
  320x240 (29.97 fps) MPEG-4 (iPod) 5 MB
  640x360 (29.97 fps) MPEG-4 (iTunes HD) 11 MB
  1280x720 (29.97 fps) WMV (Windows Media) 33 MB
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Meteorites contain a large variety of nucleobases, an essential building block of DNA.    Meteorites contain a large variety of nucleobases, an essential building block of DNA.

Available formats:
  2480 x 2657     TIFF     18 MB

Short URL to This Page:http://svs.gsfc.nasa.gov/goto?10810
Animation Number:10810
Completed:2011-08-04
Animators:Chris Smith (HTSI) (Lead)
 Tyler Chase (UMBC)
Video Editor:Chris Smith (HTSI)
Interviewee:Michael P. Callahan (NASA/GSFC)
Producer:Chris Smith (HTSI)
Scientist:Michael P. Callahan (NASA/GSFC)
Videographer:Ryan Fitzgibbons (USRA)
Series:Narrated Movies
Goddard TV Tape:G2011-084 -- DNA Building Blocks Can Be Made in Space
Please give credit for this item to:
NASA/Goddard Space Flight Center
 
Keywords:
SVS >> Asteroid
DLESE >> Geology
SVS >> HDTV
DLESE >> Mineralogy or petrology
GCMD >> Earth Science >> Solid Earth >> Rocks/Minerals >> Meteorites
SVS >> DNA
SVS >> Astrobiology
SVS >> Nucleobase
NASA Science >> Universe
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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