Stephen Hawking: Humans may not survive another 100 years

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Stephen Hawking: The Human Race Is in Danger, and It's Our Own Fault

According to Stephen Hawking, the human race is in danger of being wiped out in the next 100 years, and it's all our own fault.

According to the BBC, the physicist says he believes humanity will face dangerous scenarios of our own making during the next century, including nuclear war, global warming and genetically-engineered viruses.

See more of Hawking through the years:

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Stephen Hawking through the years
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Stephen Hawking: Humans may not survive another 100 years
PRINCETON, NJ - OCTOBER 10: Cosmologist Stephen Hawking on October 10, 1979 in Princeton, New Jersey. (Photo by Santi Visalli/Getty Images)
Stephen Hawking (born in 1942), British mathematician and scientist, 1989. (Photo by Jean-Regis Rouston/Roger Viollet/Getty Images)
Professor Stephen Hawking poses for a photograph in his office at the University of Cambridge in Cambridge, U.K, in April 1991. Hawking has written countless scientific papers as well as books, receiving 12 honorary degrees and becoming Cambridge's Lucasian Professor of Mathematics, a post held by Sir Isaac Newton over 300 years earlier. (Photo by Bryn Colton/Getty Images)
SF.Hawking.1.bv.2Â5/PASADENA ÂÂ Theoretical physicist Stephen Hawking in his Cal Tech office. (Photo by Brian Vander Brug/Los Angeles Times via Getty Images)
(GERMANY OUT) - COL*08.01.1942-Physiker, Mathematiker, Grossbritannien- Porträt (Photo by LS-PRESS/ullstein bild via Getty Images)
LONDON - DECEMBER 16: (EMBARGOED FOR PUBLICATION IN UK TABLOID NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Scientist Stephen Hawking and wife Elaine Mason arrive at the European Premiere of 'Lemony Snicket's A Series Of Unfortunate Events' at the Empire Leicester Square on December 16, 2004 in London. (Photo by Dave Benett/Getty Images)
OVIEDO, SPAIN: British astrophysicist Stephen Hawking gives his conference to open the XXV Prince of Asturias Awards Anniversary event in Oviedo, Northern Spain, 12April 2005. Stephen Hawking won the Prince of Asturias Award for Concord in 1989. AFP PHOTO / Miguel RIOPA (Photo credit should read MIGUEL RIOPA/AFP/Getty Images)
FRANKFURT, GERMANY - OCTOBER 19: Professor Stephen Hawking (L) and his wife Elaine Mason attend the international bookfair on October 19, 2005 in Frankfurt, Germany. South Korea is the guest of honour at the 57th annual Frankfurt Book Fair where 270.000 people are expected to visit the world's most important book fair, and 7000 exhibitors from 100 countries are present. (Photo by Ralph Orlowski/Getty Images)
FRANKFURT/MAIN, Germany: British physicist Stephen Hawking visits his German publisher Rowohlt's stand at the Frankfurt Book Fair 19 October 2005. The Frankfurt book fair opened its doors for the 57th time with the focus on authors from the Korean peninsula, but the presence of some 60 writers from the South and none from the North spoke as much of politics as literature. AFP PHOTO DDP/THOMAS LOHNES GERMANY OUT (Photo credit should read THOMAS LOHNES/AFP/Getty Images)
BEIJING, CHINA - JUNE 18: (CHINA OUT) Cosmologist Stephen Hawking visits the Temple of Heaven on June 18, 2006, in Beijing, China. Hawking has arrived in Beijing prior to his lecture at the Great Hall of the People today where he will discuss the origins of the universe at the Strings 2006 International Conference, hosted by the Chinese Academy of Sciences Institute of Theoretical Physics. The conference runs from June 19 ?24 at the Beijing Friendship Hotel. (Photo by ChinaFotoPress/Getty Images)
BEIJING - JUNE 19: (CHINA OUT) British scientist Stephen Hawking, delivers a lecture entitled 'The Origin of the Universe' at the Great Hall of the People June 19, 2006 in Beijing, China. British scientist Stephen Hawking is also visiting Beijing to attend the conference on the riddle of string theory which, if solved, could help unlock the mysteries of black holes and the creation of the universe, according to reports. (Photo by China Photos/Getty Images)
BEIJING - JUNE 21: British scientist Stephen Hawking attends a conference during the 2006 International Conference on String Theory on June 21, 2006 in Beijing, China. Hawking is visiting Beijing to attend the conference on the riddle of string theory which, if solved, could help unlock the mysteries of black holes and the creation of the universe, according to reports. (Photo by Cancan Chu/Getty Images)
JERUSALEM, -: British scientist Stephen Hawking is helped to turn his head as he arrives 10 December 2006 at the Israeli premier's offices to meet with Ehud Olmert in Jerusalem. Hawking is in Jerusalem for a lecture at the Bloomfield Museum of Science. AFP PHOTO/Yoav LEMMER (Photo credit should read YOAV LEMMER/AFP/Getty Images)
LONDON - JANUARY 17: Professor Stephen Hawking delivers his speech at the release of the 'Bulletin of the Atomic Scientists' on January 17, 2007 in London, Ebgland. A group of scientists assessing the dangers posed to civilisation have moved the Doomsday Clock forward two minutes closer to midnight as an indication and warning of the threats of nuclear war and climate change. (Photo by Bruno Vincent/Getty Images)
KENNEDY SPACE CENTER, UNITED STATES: British cosmologist Stephen Hawking(L) has his communication device adjusted by an aide at a pre-flight press conference 26 April 2007 at Kennedy Space Center, FLorida. Hawking, who has spent his career pondering the nature of gravity from a wheelchair, is set to experience weightlessness during a 'vomit comet' flight in Florida Thursday. The idea is to give 'the world's expert on gravity the opportunity to experience zero gravity' said Peter Diamandis the chief executive of the Zero Gravity Corporation. Hawking, 65, the British author of the blockbuster 'A Brief History of Time,' will be surrounded by a medical team on the padded plane as it flies a roller-coaster trajectory to produce periods of weightlessness. AFP PHOTO / ROBERT SULLIVAN (Photo credit should read ROBERT SULLIVAN/AFP/Getty Images)
KENNEDY SPACE CENTER, UNITED STATES: British cosmologist Stephen Hawking passes well wishers before boarding a plane 26 April 2007 at Kennedy Space Center, Florida. Hawking, who has spent his career pondering the nature of gravity from a wheelchair, is set to experience weightlessness during a 'vomit comet' flight in Florida Thursday. The idea is to give 'the world's expert on gravity the opportunity to experience zero gravity' said Peter Diamandis the chief executive of the Zero Gravity Corporation. Hawking, 65, the British author of the blockbuster 'A Brief History of Time,' will be surrounded by a medical team on the padded plane as it flies a roller-coaster trajectory to produce periods of weightlessness. AFP PHOTO / ROBERT SULLIVAN (Photo credit should read ROBERT SULLIVAN/AFP/Getty Images)
Professor Stephen Hawking gives a lecture entitled 'Why We Should Go Into Space' during the 50 Years of NASA lecture series at George Washington University in Washington, DC, April 21, 2008. AFP PHOTO/Jim WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
South Africa former President Nelson Mandela (R) meets with British scientist Professor Stephen Hawking (L) in Johannesburg on May 15, 2008. Hawking, who has devoted his career to finding the origins of the universe, is in the country to begin a search for Africa?s answer to Einstein. Some of the world?s leading high-tech entrepreneurs and scientists have backed a ?75m plan to create Africa?s first postgraduate centres for advanced math and physics, after the British government declined to provide funding. AFP Photo/Denis Farrell / POOL (Photo credit should read DENIS FARRELL/AFP/Getty Images)
(FILES) British scientist Stephen Hawking attends the 2008 Cambridge Honnorary Degrees 2008's procession on June 23, 2008 at Cambridge University in east England. Renowned British astrophysicist Stephen Hawking has bet 100 dollars (70 euros) that a mega-experiment this week will not find an elusive particle seen as a holy grail of cosmic science, he said Tuesday September 9, 2008. In the most complex scientific experiment ever undertaken, the Large Hadron Collider (LHC) will be switched on Wednesday, accelerating sub-atomic particles to nearly the speed of light before smashing them together. AFP PHOTO/SHAUN CURRY/FILES (Photo credit should read SHAUN CURRY/AFP/Getty Images)
WASHINGTON - AUGUST 12: U.S. President Barack Obama (R) presents the Medal of Freedom to physicist Stephen Hawking during a ceremony in the East Room of the White House August 12, 2009 in Washington, DC. Obama presented the medal, the highest civilian honor in the United States, to 16 recipients during the ceremony. (Photo by Chip Somodevilla/Getty Images)
US President Barack Obama presents the Presidential Medal of Freedom to British theoretical physicist Stephen Hawking during a ceremony in the East Room at the White House on August 12, 2009. Obama awarded 16 individuals the 2009 Presidential Medal of Freedom, the highest civilian honor. AFP PHOTO/Jewel SAMAD (Photo credit should read JEWEL SAMAD/AFP/Getty Images)
PASADENA, CA - JANUARY 14: Scientist Stephen Hawking of 'Into The Universe With Stephen Hawking' speaks via satellite during the Science Channel portion of the 2010 Television Critics Association Press Tour at the Langham Hotel on January 14, 2010 in Pasadena, California. (Photo by Frederick M. Brown/Getty Images)
NEW YORK - JUNE 02: Physicist Stephen Hawking onstage during the 2010 World Science Festival Opening Night Gala at Alice Tully Hall, Lincoln Center on June 2, 2010 in New York City. (Photo by Jemal Countess/Getty Images)
Physicist Stephen Hawking attends the 2010 World Science Festival Opening Night Gala at Alice Tully Hall, Lincoln Center on June 2, 2010 in New York City.
LOS ANGELES - MARCH 9: 'The Hawking Excitation' -- When Wolowitz gets to work with Stephen Hawking (left), Sheldon (Jim Parsons, right) is willing to do anything to meet his hero, on THE BIG BANG THEORY, Thursday, April 5 (8:00-8:31 PM, ET/PT) on the CBS Television Network. (Photo by Sonja Flemming/CBS via Getty Images)
LONDON, ENGLAND - AUGUST 29: Professor Stephen Hawking speaks during the Opening Ceremony of the London 2012 Paralympics at the Olympic Stadium on August 29, 2012 in London, England. (Photo by Dan Kitwood/Getty Images)
Theoretical physicist Stephen Hawking poses for a picture ahead of a gala screening of the documentary 'Hawking', a film about the scientist's life, at the opening night of the Cambridge Film Festival in Cambridge, eastern England on September 19, 2013. Hawking tells the extraordinary tale of how he overcame severe disability to become the most famous living scientist in a new documentary film premiered in Britain. AFP PHOTO / ANDREW COWIE (Photo credit should read ANDREW COWIE/AFP/Getty Images)
British actor Eddie Redmayne (R) pose with British scientist Stephen Hawking (L) at the UK premiere of the film 'The Theory of Everything' in London on December 9, 2014. The film is based on the memoir Travelling to Infinity: My Life with Stephen, by Jane Hawking, and stars Eddie Redmayne protraying the renowned astrophysicist Stephen Hawking. AFP PHOTO / JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)
LONDON, UNITED KINGDOM - DECEMBER 09: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Professor Stephen Hawking attends the UK Premiere of 'The Theory Of Everything' at Odeon Leicester Square on December 9, 2014 in London, England. (Photo by Max Mumby/Indigo/Getty Images)
LONDON, ENGLAND - FEBRUARY 08: Lucy Hawking and Stephen Hawking attend the EE British Academy Film Awards at The Royal Opera House on February 8, 2015 in London, England. (Photo by Samir Hussein/WireImage)
LONDON, ENGLAND - FEBRUARY 18: The world's best know scientist Professor Stephen Hawking takes VisitLondon.com's Official Guest of Honour Adaeze Uyanwah on a personal guided tour of his favourite places in the city's famous Science Museum on February 18, 2015 in London, England. On the tour Professor Hawking said he was pleased to lend his synthesised 'voice' to actor Eddie Redmayne for his Oscar-nominated performance in The Theory of Everything but added ' unfortunatley Eddie did not inherit my good looks.' (Photo by Tristan Fewings/Getty Images for London & Partners)
LONDON, ENGLAND - MARCH 30: (SUN NEWSPAPER OUT. MANDATORY CREDIT PHOTO BY DAVE J. HOGAN GETTY IMAGES REQUIRED) Stephen Hawking attends 'Interstellar Live' at Royal Albert Hall on March 30, 2015 in London, England. (Photo by Dave J Hogan/Getty Images)
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And he told the Radio Times further progress in science and technology could increase that risk. "We are not going to stop making progress, or reverse it, so we must [recognize] the dangers and control them."

Of course, Hawking has voiced his concerns on this topic before. Just last year, he warned that artificial intelligence could wipe out the human race.

These latest comments come just days before Hawking is scheduled to give this year's BBC Reith Lectures, which will explore research into black holes.

The first part of the lecture will air on BBC Radio 4 Jan. 26, and you can catch part two Feb. 2.

RELATED: See incredible photos taken of Earth from space

65 PHOTOS
Pics of earth from space (Earth Day)
See Gallery
Stephen Hawking: Humans may not survive another 100 years
A large lightning strike on Earth lights up solar panels on the International Space Station in this NASA picture taken by astronaut Kjell Lindgren released September 2, 2015. REUTERS/NASA/Kjell Lindgren/Handout via Reuters THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. IT IS DISTRIBUTED, EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS
A photo taken by Expedition 46 flight engineer Tim Peake of the European Space Agency (ESA) aboard the International Space Station shows Italy, the Alps, and the Mediterranean on January, 25, 2016. REUTERS/NASA/Tim Peake/Handout ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
A photo taken by European Space Agency (ESA) astronaut Tim Peake aboard the International Space Station shows an Aurora over northern Canada, taken from a point just north of Vancouver, January 20, 2016. The Canadian Rockies, Banff and Jasper national parks are visible in the foreground. The Bright lights of Edmonton, Red Deer and Calgary (left of center) are also visible. REUTERS/NASA/Tim Peake/Handout ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
Levi's Stadium in Santa Clara, California, home to Super Bowl 50, as seen from the International Space Station, February 7, 2016. Expedition 46 Commander Scott Kelly, who took the photo, wrote, "Got to see the #SuperBowl in person after all! But at 17,500MPH, it didn't last long." REUTERS/NASA/Scott Kelly/Handout ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS
The robotic arm in Japan's Kibo laboratory successfully deploys two combined satellites from Texas universities from the International Space Station, January 29, 2016. The pair of satellites -- AggieSat4 built by Texas A&M University students, and BEVO-2 built by University of Texas students -- together form the Low Earth Orbiting Navigation Experiment for Spacecraft Testing Autonomous Rendezvous and Docking (LONESTAR) investigation. REUTERS/NASA/Tim Peake/Handout ATTENTION EDITORS - FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS

December 8, 2015

Scott Kelly ‏(@StationCDRKelly): "Day 256. #MilkyWay births 7 new stars a year, so 2 star births to go. #GoodNight from @space_station! #YearInSpace"

December 16, 2015

Scott Kelly (‏@StationCDRKelly): "#EarthArt Get over your mountains with rock and grit. #YearInSpace"

December 3, 2015

Scott Kelly ‏(@StationCDRKelly): "Day 251. Greetings to my friends in #Macedonia. #GoodNight from @space_station! @kevinbleyer"

Scott Kelly ‏(@StationCDRKelly): "#Auckland #NewZealand, Sorry we don't see you much during your day but you look great down there. #YearInSpace"

NASA astronaut Scott Kelly, who recently past the halfway mark of his one-year mission on the International Space Station, photographed the Nile River during a nighttime flyover. Kelly (@StationCDRKelly) wrote, "Day 179. The #Nile at night is a beautiful sight for these sore eyes. Good night from @space_station! #YearInSpace." (Photo via NASA)

NASA astronaut Scott Kelly captured images and video from the International Space Station during an early morning flyover of the United States. Sharing with his social media followers, Kelly wrote, "Clear skies over much of the USA today. #GoodMorning from @Space_Station! #YearInSpace." (Photo via NASA)

An astronaut aboard the International Space Station took this photograph of small island cays in the Bahamas and the prominent tidal channels cutting between them. For astronauts, this is one of the most recognizable points on the planet.

The string of cays — stretching 14.24 kilometers (8.9 miles) in this image — extends west from Great Exuma Island (just outside the image to the right). Exuma is known for being remote from the bigger islands of The Bahamas, and it is rich with privately owned cays and with real pirate history (including Captain Kidd).

(Photo via NASA, Caption via M. Justin Wilkinson, Texas State University, Jacobs Contract at NASA-JSC)

Kjell Lindgren (@astro_kjell): "#London. Beautiful in the daylight, even prettier at night."

MANICOUAGAN CRATER, CANADA

(photo: ESA)

Venice Lagoon, Italy

Photo: NASA Goddard Photo/Flickr

Ocean Sand, Bahamas

Photo: NASA Goddard Photo/Flickr

Pico de Orizaba, Mexico (NASA, International Space Station, 02/10/11)

Photo: NASA's Marshall Space Flight Center/Flickr

Eruption Plume, Kliuchevskoi Volcano, Russia (NASA, International Space Station, 11/16/13)

Photo: NASA's Marshall Space Flight Center/Flickr

Kavir Desert, Central Iran (NASA, International Space Station, 02/14/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Lagoons and Reefs of New Caledonia

Photo: NASA Goddard Photo/Flickr

Typhoon Neoguri (NASA, International Space Station, 07/07/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Sunset Over Earth (NASA, International Space Station Science, 11/23/09)

Photo: NASA's Marshall Space Flight Center/Flickr

Brasilia, Brazil at Night (NASA, International Space Station, 01/08/11)

Photo: NASA's Marshall Space Flight Center/Flickr

Banks Peninsula, New Zealand (NASA, International Space Station, 05/31/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Ice Floes, Kamchatka Coast, Russia (NASA, International Space Station, 03/15/12)

Photo: NASA's Marshall Space Flight Center/Flickr

Coastlines of the Southern Baltic Sea (NASA, International Space Station, 06/15/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Port Aransas and the Intracoastal Waterway, Texas (NASA, International Space Station, 03/22/13)

Photo: NASA's Marshall Space Flight Center/Flickr

Typhoon Halong (NASA, International Space Station, 08/05/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Bowknot Bend, Utah (NASA, International Space Station, 01/22/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Lightning From Space, and Red Sprites at Night (NASA, International Space Station, 12/13/13)

Photo: NASA's Marshall Space Flight Center/Flickr

Acklins Island, Bahamas (NASA, International Space Station, 11/16/10)

Photo: NASA's Marshall Space Flight Center/Flickr

Cape Cod, Massachusetts (NASA, International Space Station Science, 03/14/10)

Photo: NASA's Marshall Space Flight Center/Flickr

Ounianga Lakes in the Sahara Desert (NASA, International Space Station Science, 11/14/09)

Photo: NASA's Marshall Space Flight Center/Flickr

Mt. Ruapehu, New Zealand

Aurora Near Australia (NASA, International Space Station, 07/15/14)

Photo: NASA's Marshall Space Flight Center/Flickr

Nile river viewed from space

(Photo via Getty)

Atlantic Coast (NASA, International Space Station, 09/20/13)

(Photo: NASA's Marshall Space Flight Center/Flickr)

Archive: Fjorded Coastline, Greenland (Archive: NASA, Space Shuttle, 08/12/97)

(Photo: NASA's Marshall Space Flight Center/Flickr)

Japan, Narita, View of earth. (Photo by: JTB/UIG via Getty Images) (Photo by: JTB Photo/UIG via Getty Images)
The Yarlung Zangpo Grand Canyon (or Tsangpo Gorge) in Tibet is the deepest canyon in the world, and longer than the Grand Canyon. February 25, 2004. (Photo by: Universal History Archive/UIG via Getty Images)
The city of Edinburgh is the capital of Scotland, and lies along the Firth of Forth. April 29, 2006. (Photo by: Universal History Archive/UIG via Getty Images)
The place in the United States where four states come together: the four corners area in the western United States. The states of Utah, Colorado, Arizona, and New Mexico share a common point. June 11, 2001. (Photo by: Universal History Archive/UIG via Getty Images)
Salzkammergut, Austria. Large parts of the region were listed as a World Heritage Site in 1997. June 22, 2003. Satellite image. (Photo by: Universal History Archive/UIG via Getty Images)
UNITED STATES - JULY 18: A view of the Earth during a solar eclipse. The shadow of the Moon can be seen darkening part of Earth. This shadow moves across the Earth at nearly 2,000 kilometers per hour. Only observers near the center of the dark circle see a total solar eclipse - others see a partial eclipse where only part of the Sun appears blocked by the Moon. This spectacular picture of the Aug. 11, 1999 solar eclipse was one of the last ever taken from the Mir space station. Mir was decommissioned after more than ten years of use. *Image Credit*: Centre National d'Etudes Spatiales (Photo by NASA/SSPL/Getty Images)
IN SPACE - AUGUST 31: In this satellite image provided by the National Oceanic and Atmospheric Administration, Tropical Storm Ernesto (R) is shown at 9:45 am EDT is shown east of northern Florida while Hurricane John heads towards Mexico's west coast August 31, 2006. (Photo by NOAA via Getty Images)
AUGUST 11: This satellite handout from the National Oceanic and Atmospheric Administration shows Tropical Storm Charley bearing down on Jamaica the morning of August 11, 2004. The storm is expected to cross through Jamaica and Cuba before making its way into the Gulf of Mexico later in the week. (Photo by NOAA via Getty Images)
Rub Al Khali, a sand desert South East of Saudi Arabia ; sand dunes are sculptured and moved by the winds, in blue the argillakeeous subsoil, and in white the salt crusts left out by the oueds in the rainy season., Rub Al Khali Desert, Saudi Arabia, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
True colour satellite image of Oceania with cloud coverage. This image in Lambert Conformal Conic projection was compiled from data acquired by LANDSAT 5 & 7 satellites., Oceania With Cloud Coverage, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
True colour satellite image of Africa with major rivers. This image in Lambert Azimuthal Equal Area projection was compiled from data acquired by LANDSAT 5 & 7 satellites., Africa With Major Rivers, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
True colour satellite image of Europe. This image in Lambert Conformal Conic projection was compiled from data acquired by LANDSAT 5 & 7 satellites., Europe, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
True colour satellite image of Asia with major rivers. This image in Lambert Azimuthal Equal Area projection was compiled from data acquired by LANDSAT 5 & 7 satellites., Asia With Major Rivers, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
True colour satellite image of North America with major rivers. This image in Lambert Conformal Conic projection was compiled from data acquired by LANDSAT 5 & 7 satellites., North America With Major Rivers, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
True colour satellite image of South America. This image in Lambert Azimuthal Equal Area projection was compiled from data acquired by LANDSAT 5 & 7 satellites., South America, True Colour Satellite Image (Photo by Planet Observer/Universal Images Group via Getty Images)
UNSPECIFIED : Clouds and sunglint as seen during the STS-96 mission from the Space Shuttle Discovery. (Photo by SSPL/Getty Images)
KENNEDY SPACE CENTER, UNITED STATES: A view of the Puna de Atacama area of Argentina 24 Janaury from US space shuttle Endeavour at an altitude of 160 nautical miles as part of EarthKAM involving 51 middle schools from three nations. Endeavour is docked with the Russian space station Mir for five days of joint science operations and transfer of supplies to the Russian space station. AFP PHOTO/NASA (Photo credit should read AFP/AFP/Getty Images)

Cloud-Free View of Iceland

Photo: NASA Goddard Photo/Flickr

Operation IceBridge Turns Five

Photo: NASA Goddard Photo/Flickr

The Turbulent Bering Sea

Photo: NASA Goddard Photo/Flickr

Argentina

Photo: NASA Goddard Photo/Flickr

Sarychev Peak Eruption, Russia

Photo: NASA Goddard Photo/Flickr

Moon over northeast Greenland

Photo: NASA Goddard Photo/Flickr

Grey Glacier, Chile (NASA, International Space Station Science, 06/04/07)

Photo: NASA's Marshall Space Flight Center/Flickr

Alaska Mountains

Photo: NASA Goddard Photo/Flickr

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