3559 Imágenes gratuitas de Dominio Público

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Astronaut Edwin E. Aldrin Jr., pilot for the Gemini-12 spaceflight, prepares to take a rest position during underwater zero-gravity training. Oct 29th, 1966.

dominio público astronauta

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

conciencia célula

Living organisms under a microscopic view. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Tellima randiflora (Fringe Cups) enlarged 25 times from Urformen der Kunst (1928) by Karl Blossfeldt.

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

conciencia célula

Novel Coronavirus SARS-CoV-2–This transmission electron microscope image shows SARS-CoV-2, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

microscopio célula

A 250-ton crane is used to lower the second half of the K-level work platforms for NASA’s Space Launch System (SLS) rocket into High Bay 3 inside the Vehicle Assembly Building at NASA's Kennedy Space Center in Florida.

industria vehículo

A saguaro cactus dominates the scene at dusk in the garden of the White Stallion Ranch, a dude ranch outside Tucson, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.

américa brillo

A United Launch Alliance Delta IV Heavy common booster core is about to be offloaded from the company's Mariner ship at Port Canaveral in Florida.

arquitectura ciudad

Influenza virus experimentation with eggs. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

biología huevo

A drifting smoke plumes from the launch of Space Shuttle Atlantis appear to swirl above the Vehicle Assembly Building near sunset.

Ultrastructural morphology exhibited by coronaviruses similar to COVID-19 which became pandemic. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

antecedentes rojo

The Sustina Glacier in the Alaska Range.

antecedentes mapas

Ball of coffee floats aboard Challenger on 25 June 2009.

STS-135 crew members inspect tools they will use in space during the STS-135 Crew Equipment Interface Test at the Kennedy Space Center on Friday, April 8, 2011, in Florida.

descubrimiento noticia

Novel Coronavirus SARS-CoV-2–Transmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

ciencia célula

Ends of Thujopsis Dolabrata Branch (Hatchet–Leaved Arbor Vitae) enlarged 10 times from Urformen der Kunst (1928) by Karl Blossfeldt.

Cirsium Canum (Thistle) Flower Head enlarged 12 times from Urformen der Kunst (1928) by Karl Blossfeldt.

antigüedad flores

The boosters of the Soyuz rocket are seen as the Soyuz TMA-14 spacecraft and boosters are assembled Monday, March 23, 2009 at the Baikonur Cosmodrome in Kazakhstan.

astronomía industria

A 3D illustration provides a graphical representation of a single norovirus virion, set against a beige background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria ciencia

Capital building in Havana, Cuba

arquitectura edificio

A steam train crosses the 156-foot-tall Bass Point Creek Bridge. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura tren

One of of American artist James Turrell’s more than 82 “Skyspace” installments around the world. This one stands on the Rice University campus in Houston. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura sudamerica

Controlled Impact Demonstration instrumented test dummies installed in plane.

personas avión

The flag of Texas, depicted on a downtown wall in Pecos, the seat of Reeves County, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

bandera pintura

Aristolochia clematitis (Birthwort) enlarged 5 times from Urformen der Kunst (1928) by Karl Blossfeldt.

texturas antiguo

Ireland on the first day this summer.

céltico irlanda

A close left lateral view of a female Oriental rat flea, Xenopsylla cheopis that transmit the bacterium Yersinia pestis, the causative agent of plague. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animales peligro

Novel Coronavirus SARS-CoV-2–Colorized scanning electron micrograph of an apoptotic cell (blue) infected with SARS-COV-2 virus particles (red), isolated from a patient sample. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

medicina célula

Restoration work at the Reading Terminal and Market in the mid-1990s. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura tren

This image of Ceres is part of a sequence taken by NASA's Dawn spacecraft.

espacio planeta

Ultrastructural morphology shown by coronavirus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

antecedentes ciencia

Sign of Thunder Bay Sister Cities in Ontario

caracter ciudad

The Sausset departmental park in Aulnay-sous-bois, France

Aerial photograph of the Las Vegas Strip. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura edificio

Battleship Texas Houston. Original image from Carol M. Highsmith’s America, Library of Congress collection.

The flags of the countries representing the crew members of Expedition 28 are seen here at the Russian Mission Control Center in Korolev, Russia on June 10, 2011.

Nighttime, ground level view of Pad A, Launch Complex 39, Kennedy Space Center, showing the Apollo 13.

Edwin Aldrin walking on the lunar surface. Neil Armstrong, who took the photograph, can be seen reflected in Aldrin’s helmet visor.

astronauta espacio

Transmission electron microscopic (TEM) image highlights the particle envelope of a single, spherical shaped, Middle East respiratory syndrome coronavirus (MERS-CoV) virion. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

antecedentes ciencia

Transmission electron microscopic (TEM) image, revealed ultrastructural details exhibited by numerous, Coxiella burnetii bacteria, which cause the worldwide disease known, as Q fever. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria ciencia

A literal pit of vipers at the "World's Largest Rattlesnake Roundup" in Sweetwater, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

serpiente animales

Guinea-Bissau, a small country in West Africa.

Nude photography of naked woman, Reclining Female Nude Posed as Danae (1850s).

The Whirlpool Galaxy, also known as Messier 51a is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus.

espacio galaxia

Cosmic explorer through the universe.

antecedentes ciencia

Penguins standing on a large rock

pingüinos roca

A lone and lean coyote makes the best of wintertime in the northernmost Wyoming reaches of Yellowstone National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection.

animales invierno

Callistemma Brachiatum (Seed of a Scabious) enlarged 30 times from Urformen der Kunst (1928) by Karl Blossfeldt.

botánica retrato

Achillea Umbellata (Yarrow) leaf enlarged 30 times from Urformen der Kunst (1928) by Karl Blossfeldt.

botánica texturas

This enhanced-color image of Jupiter's south pole and its swirling atmosphere.

astronomía espacio

Highest-resolution color images of any part of Saturn's rings, to date, showing a portion of the inner-central part of the planet's B Ring. Sept 7th, 2017.

The blacklegged ticks, Ixodes pacificus known for the zoonotic spirochetal bacteria, Borrelia burgdorferi. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

animales insectos

$Sample of test tubes. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.$

medicamento laboratorio

Spraying Water Fountain with trees and lawn in Beaverton, Oregon

Novel Coronavirus SARS-CoV-2–
This scanning electron microscope image shows SARS-CoV-2 (yellow)—also known as 2019-nCoV, the virus that causes COVID-19. Original image sourced from US Government department: The National Institute of Allergy and Infectious Diseases. Under US law this image is copyright free, please credit the government department whenever you can”.

ciencia célula

A photomicrograph of Candida albicans fungal spores. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria ciencia

Ultra structural details exhibited by a parasite. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria ciencia

Influenza virus illustration in semi–transparent blue. A healthcare provider donning a pair of green latex gloves in order to protect herself during her subsequent interaction her next patient. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

circunferencia azul

Fundoscopic view of the right eye, it's optic nerve and blood vessels supplying the retina. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

circunferencia ciencia

Group A Streptococcus (GAS), Streptococcus pyogenes bacteria, which were atop the surface of a human white blood cell (WBC), known as a neutrophil. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Nude Dancer with Aulos (ca. 1911–1916) by Arnold Genthe.

Arched architectural detail in the Federal Triangle in Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura biblioteca

The J.J. Pickle Federal Building in downtown Austin, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura edificio

Atlantis nears touchdown for the final time on Runway 15 at the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida, 21 July 2011.

vehículo aviones

The terrain for the scientific work conducted by ICESCAPE scientists on July 4, 2010.

paisaje ciencia

NASA astronauts in space -

astronomía vehículo

Snake spotted near Launch Pad 39B at NASA's Kennedy Space Center.

serpiente animales

DC-8 NASA 717 in flight over San Francisco, Ca., 1991-05-29.

vehículo aviones

Bottom up view of tall trees at Redwood National and State Parks, United States, Northern California. Original image from Carol M. Highsmith’s America, Library of Congress collection.

naturaleza árbol

Nude woman vintage photo, After the Bath, Woman Drying Her Back (1896) by Edgar Degas.

Dunes and Fence, Cape Hatteras, North Carolina. Original image from Carol M. Highsmith’s America, Library of Congress collection.

U.S. Capitol, Washington D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura gobierno

A mixed herd of wild and domesticated horses frolics on the Ladder Livestock ranch, at the Wyoming-Colorado border. Original image from Carol M. Highsmith’s America, Library of Congress collection.

animales invierno

American bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Steam locomotives in the roundhouse of the Durango & Silverton Narrow Gauge Scenic Railroad in Durango, Colorado. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Aconitum (Aconite or Monk's Hood) enlarged 6 times from Urformen der Kunst (1928) by Karl Blossfeldt.

fotografía retrato

Jupiter Blues.

astronomía espacio

A supply ship. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

NASA's Hubble Takes Close-up Portrait of Jupiter on April 3, 2017.

astronomía planeta

Artist concept of the Mercury capsule with its launch escape system.

nave espacial espacio

The north polar residual ice cap of the Planum Boreum region.

astronomía naranja

Monument Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.

fotografía monocromo

Silphium Laciniatum (Compass Plant) leaves enlarged 6 times from Urformen der Kunst (1928) by Karl Blossfeldt.

antigüedad botánica

Sunrise taken by the STS-133 crew on March 7, 2011.

amanecer espacio

Industrial scene on Nueces Bay in Corpus Christi, Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.

paisaje urbano ciudad

LaFayette Park, located directly north of the White House on H Street between 15th and 17th Streets, N.W., Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Moon - north polar mosaic.

espacio planeta

Massive Iceberg Breaks Off from Antarctica.

naturaleza paisaje

A medical illustration of drug–resistant, Streptococcus pneumoniae bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

bacteria ciencia

Saguaro Cactus near Tucson in Arizona, USA. Original image from Carol M. Highsmith’s America, Library of Congress collection.

Building exterior, St. Louis, Missouri. Original image from Carol M. Highsmith’s America, Library of Congress collection.

arquitectura ciudad

St. Patrick's aurora, a green aurora taken at Donnelly Creek, Alaska, March 17th, 2015.

Image of a nebula taken using a NASA telescope -

antecedentes espacio

Cornus Florida (Box–Wood of North America, Flowering Dogwood) enlarged 3 times from Urformen der Kunst (1928) by Karl Blossfeldt.

A fearsome dinosaur menaces at the Painted Desert Indian Center in Sun Valley, Arizona. Original image from Carol M. Highsmith’s America, Library of Congress collection.

estados unidos dinosauria

Astronaut Edward H. White II, pilot for the Gemini-Titan 4 (GT-4) spaceflight, floats in the zero-gravity of space during the third revolution of the GT-4 spacecraft.

tecnología ciencia

Large field of sand dunes on Kaiser Crater.

astronomía planeta

A beautiful sunset in rural Goshen County, Wyoming, near Guernsey. Original image from Carol M. Highsmith’s America, Library of Congress collection.

naturaleza nubes

Final Launch of the Space Shuttle Endeavour, STS-134 Mission, 16 May 2011.

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