Inside the Spectrum prototype unit, organisms in a Petri plate are exposed to blue excitation lighting. Original from NASA.… https://www.rawpixel.com/image/440391/free-photo-image-scientist-petri-blue-excitation Free Image from public domain license
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Four AEC-developed radioisotope thermoelectric generators will provide the power for NASA's Pioneer space probes of the… https://www.rawpixel.com/image/3322726/free-photo-image-astronomy-cc0-creative-commons Free Image from public domain license
The GOES-K weather satellite lifts off from Launch Pad 36B at Cape Canaveral Air Station on an Atlas 1 rocket. Original from… https://www.rawpixel.com/image/441518/free-photo-image-spaceship-america-americas-public-domain Free Image from public domain license
The Space Shuttle Endeavour rolls out to Launch Pad 39A. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441514/free-photo-image-nasa-mir-america Free Image from public domain license
The U.S. Department of Agriculture (USDA) People's Garden pollinator habitat and it's sign that encourages people to create… https://www.rawpixel.com/image/3261409/free-photo-image-kitchen-agricultural-marketing-service-allium Free Image from public domain license
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D-558-2 Aircraft on lakebed. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441402/free-photo-image-space-aircraft-carrier Free Image from public domain license
Space shuttle Atlantis and its four-member STS-135 crew head toward Earth orbit and rendezvous with the International Space… https://www.rawpixel.com/image/441390/free-photo-image-spacecraft-nasa-lift-off-astronaut Free Image from public domain license
Space shuttle Atlantis and its four-member STS-135 crew head toward Earth orbit and rendezvous with the International Space… https://www.rawpixel.com/image/441378/free-photo-image-space-nasa-astronaut Free Image from public domain license
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The orbiter Endeavour closes the day peacefully on KSC's Shuttle Landing Facility Runway 15. Original from NASA . Digitally… https://www.rawpixel.com/image/441513/free-photo-image-january-1998-andrew-thomas-bonnie-dunbar Free Image from public domain license
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