3.540 Immagini gratuite per Pubblico Dominio

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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.

pubblico dominio 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”.

consapevolezza cellula

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.

ritratto piante

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”.

consapevolezza cellula

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 cellula

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 veicolo

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.

incandescenza america

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.

architettura città

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”.

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”.

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

vintage ▾fogliame

The Sustina Glacier in the Alaska Range.

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.

scoperta notizia

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”.

scienza cellula

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.

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

bianco e nero botanica

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.

astronomia 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 scienza

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

architettura treno

Controlled Impact Demonstration instrumented test dummies installed in plane.

aeroplano persone

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

battaglia guerra

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.

bandiera pittura

Ireland on the first day this summer.

celtico 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”.

pericolo animali

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 cellula

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

galassia spazio

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

architettura treno

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

botanica ritratto

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

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”.

Sign of Thunder Bay Sister Cities in Ontario

carattere città

Spraying Water Fountain with trees and lawn in Beaverton, Oregon

Capital building in Havana, Cuba

architettura edificio

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

paesaggio albero

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

architettura edificio

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.

architettura sud america

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.

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.

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

astronauta spazio

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”.

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 scienza

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.

serpente animali

Guinea-Bissau, a small country in West Africa.

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

Penguins standing on a large rock

pinguino roccia

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.

animali inverno

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

architettura governo

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

fotografia ritratto

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

fotografia monocromo

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”.

scienza cellula

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

botanica antico

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 scienza

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”.

circonferenza blu

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”.

circonferenza scienza

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

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

architettura 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.

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

paesaggio scienza

NASA astronauts in space -

astronomia veicolo

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

serpente animali

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

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 scienza

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

Cosmic explorer through the universe.

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

paesaggio spiaggia

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.

architettura casa

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

pugilato ritratto

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.

vintage ▾fumo

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

astronomia spazio

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.

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”.

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

astronomia arancione

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

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 scienza

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

paesaggio urbano città

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”.

Scolopendrium Vulgare (Hart's–Tongue Fern) Young Rolled-Up Fronds enlarged 6 times from Urformen der Kunst (1928) by Karl Blossfeldt.

vintage ▾piante

Phacelia Tanacetifolia (Lacy Phacelia) enlarged 12 times from Urformen der Kunst (1928) by Karl Blossfeldt.

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

architettura biblioteca

Moon - north polar mosaic.

Massive Iceberg Breaks Off from Antarctica.

paesaggio natura

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.

architettura città

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

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.

Image of a nebula taken using a NASA telescope -

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.

animali inverno

Jupiter Blues.

astronomia spazio

Large field of sand dunes on Kaiser Crater.

astronomia pianeta

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”.

animali insetti

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

astronomia pianeta

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

veicolo spaziale spazio

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

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

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