A wave building on Oahu’s North Shore, Hawaii (© Vince Cavataio/plainpicture)(Bing United States)

A wave building on Oahu’s North Shore, Hawaii (© Vince Cavataio/plainpicture)(Bing United States)

Detail of ‘Le Nomade’ by artist Jaume Plensa in Antibes, France (© travelstock44/Alamy)(Bing United States)

Detail of ‘Le Nomade’ by artist Jaume Plensa in Antibes, France (© travelstock44/Alamy)(Bing United States)

Solar evaporation ponds on the Great Salt Lake, Utah (© Robert L. Potts/Offset)(Bing United States)

Solar evaporation ponds on the Great Salt Lake, Utah (© Robert L. Potts/Offset)(Bing United States)

Windmills in Consuegra, Castilla-La Mancha, Spain (© Juan José Pascual/age fotostock)(Bing United States)

Windmills in Consuegra, Castilla-La Mancha, Spain (© Juan José Pascual/age fotostock)(Bing United States)

Elk River in the East Kootenays of British Columbia, Canada (© Carson Ganci/First Light/age fotostock)(Bing United States)

Elk River in the East Kootenays of British Columbia, Canada (© Carson Ganci/First Light/age fotostock)(Bing United States)

Eland antelope and giraffe at Etosha National Park, Namibia (© David Schultz/Mint Images/SuperStock)(Bing United States)

Eland antelope and giraffe at Etosha National Park, Namibia (© David Schultz/Mint Images/SuperStock)(Bing United States)

Derwent Reservoir, Derbyshire, England (© R A Kearton/Getty Images)(Bing United States)

Derwent Reservoir, Derbyshire, England (© R A Kearton/Getty Images)(Bing United States)

Fall-colored leaves of cotoneaster plant (© Steve Terrill/Danita Delimont)(Bing United States)

Fall-colored leaves of cotoneaster plant (© Steve Terrill/Danita Delimont)(Bing United States)

Coastal beech forest, Nienhagen, Germany (© Sandra Bartocha/Minden Pictures)(Bing United States)

Coastal beech forest, Nienhagen, Germany (© Sandra Bartocha/Minden Pictures)(Bing United States)

Rhyolite, a ghost town near Beatty, Nevada (© Devesh V. Tripathi)(Bing United States)

Rhyolite, a ghost town near Beatty, Nevada (© Devesh V. Tripathi)(Bing United States)

The Rapa Valley in Sarek National Park, Sweden (© Hans Strand/plainpicture)(Bing United States)

The Rapa Valley in Sarek National Park, Sweden (© Hans Strand/plainpicture)(Bing United States)

A Soyuz descent module returns to Earth (© Bill Ingalls/NASA)(Bing United States)

A Soyuz descent module returns to Earth (© Bill Ingalls/NASA)(Bing United States)

An infrared image of the Orion Nebula taken by the HAWK-I camera in Chile (© NASA)(Bing United States)

An infrared image of the Orion Nebula taken by the HAWK-I camera in Chile (© NASA)(Bing United States)

Pluto’s north pole (© J Marshall/Alamy)(Bing United States)

Pluto’s north pole (© J Marshall/Alamy)(Bing United States)

Dust devil trails on the surface of Mars (© NASA/JPL/University of Arizona)(Bing United States)

Dust devil trails on the surface of Mars (© NASA/JPL/University of Arizona)(Bing United States)

The International Space Station seen from the space shuttle Endeavour (© NASA/Alamy)(Bing United States)

The International Space Station seen from the space shuttle Endeavour (© NASA/Alamy)(Bing United States)

Full-scale model of the James Webb Space Telescope on display in Austin, Texas (© NASA)(Bing United States)

Full-scale model of the James Webb Space Telescope on display in Austin, Texas (© NASA)(Bing United States)

Buzz Aldrin's boot on lunar soil, Apollo 11 mission (© NASA)(Bing United States)

Buzz Aldrin's boot on lunar soil, Apollo 11 mission (© NASA)(Bing United States)

Timiderte Kasbah, Draa Valley, Morocco (© Mauricio Abreu/Aurora Photos)(Bing United States)

Timiderte Kasbah, Draa Valley, Morocco (© Mauricio Abreu/Aurora Photos)(Bing United States)

Cottonwood trees along the Rio Grande in autumn, New Mexico (© Tim Fitzharris/Minden Pictures)(Bing United States)

Cottonwood trees along the Rio Grande in autumn, New Mexico (© Tim Fitzharris/Minden Pictures)(Bing United States)

Village of Gordes, Provence-Alpes-Côte d'Azur, France (© Therry/Getty Images)(Bing United States)

Village of Gordes, Provence-Alpes-Côte d'Azur, France (© Therry/Getty Images)(Bing United States)