Background HD

Hundreds of background HD images available for download in the PikWizard gallery. You can browse our collection of HD background pictures and wallpapers. From nature scenery to business and office environments, we’ve got everything you need to find the perfect background HD stock photos for your commercial or non-commercial project. We’ve brought together this huge variety of premium-quality backgrounds and HD wallpapers inside PikWizard to bring you the number one library of free background HD images! No attribution required for commercial use.

Wool Texture Fabric
Clouds violet plane airplane
Leaf Drop Tree
Plane Fling on Sky Leaving Contrailss
Jellyfish Invertebrate Animal
Close Up Photography Green Grass during Daytime
Back light beautiful flowers blue gray
Autumn beautiful beauty bloom
Purple flowers on field
Background Fruits
Completed: 07-16-2009  Straddling the equator approximately 1000 kilometers to the west of the South American mainland, the Galapagos Islands lie within the heart of the equatorial current system. Rising from the sea floor, the volcanic islands of the Galapagos are set on top of a large submarine platform. The main portion of the Galapagos platform is relatively flat and less than 1000 meters in depth. The steepest slopes are found along the western and southern flanks of the platform with a gradual slope towards the east. The interactions of the Galapagos and the oceanic currents create vastly different environmental regimes which not only isolates one part of the Archipelago from the other but allows penguins to live along the equator on the western part of the Archipelago and tropical corals around the islands to the north. The islands are relatively new in geologic terms with the youngest islands in the west still exhibiting periodic eruptions from their massive volcanic craters.   Please give credit for this item to: NASA/Goddard Space Flight Center, The SeaWiFS Project and GeoEye, Scientific Visualization Studio. NOTE: All SeaWiFS images and data presented on this web site are for research and educational use only. All commercial use of SeaWiFS data must be coordinated with GeoEye (  To download this video go to:  <a href="" rel="nofollow"></a>  <b><a href="" rel="nofollow">NASA Goddard Space Flight Center</a></b>  is home to the nation's largest organization of combined scientists, engineers and technologists that build spacecraft, instruments and new technology to study the Earth, the sun, our solar system, and the universe.
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Landscape lake hd wallpaper
The night side of Earth twinkles with light, and the first thing to stand out is the cities. “Nothing tells us more about the spread of humans across the Earth than city lights,” asserts Chris Elvidge, a NOAA scientist who has studied them for 20 years.  This new global view and animation of Earth’s city lights is a composite assembled from data acquired by the Suomi National Polar-orbiting Partnership (Suomi NPP) satellite. The data was acquired over nine days in April 2012 and thirteen days in October 2012. It took satellite 312 orbits and 2.5 terabytes of data to get a clear shot of every parcel of Earth’s land surface and islands. This new data was then mapped over existing Blue Marble imagery of Earth to provide a realistic view of the planet.  The nighttime view in visible light was made possible by the new “day-night band” of Suomi NPP’s Visible Infrared Imaging Radiometer Suite. VIIRS detects light in a range of wavelengths from green to near-infrared and uses filtering techniques to observe dim signals such as city lights, auroras, wildfires, and reflected moonlight. This low-light sensor can distinguish night lights with ten to hundreds of times better light detection capability than scientists had before.  Named for satellite meteorology pioneer Verner Suomi, NPP flies over any given point on Earth&amp;rsquos surface twice each day at roughly 1:30 a.m. and 1:30 p.m. The polar-orbiting satellite flies 824 kilometers (512 miles) above the surface as it circles the planet 14 times a day. Data is sent once per orbit to a ground station in Svalbard, Norway, and continuously to local direct broadcast users around the world. The mission is managed by NASA with operational support from NOAA and its Joint Polar Satellite System, which manages the satellite's ground system.  NASA Earth Observatory image and animation by Robert Simmon, using Suomi NPP VIIRS data provided courtesy of Chris Elvidge (NOAA National Geophysical Data Center). Suomi NPP is the result of a partnership between NASA, NOAA, and the Department of Defense. Caption by Mike Carlowicz.  Instrument: Suomi NPP - VIIRS   Credit: <b><a href="" rel="nofollow"> NASA Earth Observatory</a></b>  <b>Click here to view all of the <a href="" rel="nofollow"> Earth at Night 2012 images </a></b>  <b>Click here to <a href="" rel="nofollow"> read more </a> about this image </b>   <b><a href="" rel="nofollow">NASA image use policy.</a></b>  <b><a href="" rel="nofollow">NASA Goddard Space Flight Center</a></b> enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.  <b>Follow us on <a href="" rel="nofollow">Twitter</a></b>  <b>Like us on <a href="" rel="nofollow">Facebook</a></b>  <b>Find us on <a href="" rel="nofollow">Instagram</a></b>
Cobble stone road background, full frame
Hd wallpaper mountain nature outdoors
Beach dawn dusk hd wallpaper
Clouds dawn dusk hd wallpaper
Landscape sky clouds hd wallpaper
Sunset beach summer hd wallpaper
Landscape mountains lake hd wallpaper
Beach dawn dusk hd wallpaper
Beach coast hd wallpaper island
Cold dark exploration hd wallpaper
Clouds daylight hd wallpaper idyllic
Pink Petaled Flower in Hd Photo
Background blurred background
Away background background image clouds
Artist rendition, part of the Dawn Mission Art series.
Autumn background background image copy space
Background image bird black black background
Autumn fall fall background fall leaves background
Close-up green leaves, background
View of beautiful green forest, background
View of bridge over lake, background
Close-up of green plants, background
Reflection of trees and bridge in lake, background
Background blue boat color
Background balance black deco
Background beam beautiful beauty
Architecture art background concrete
Background bloom blossom flower
Art auto automobile background
Background beam beautiful beauty
Background cold frozen ice
Background beach boards boardwalk
Background blank business craft

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