American astronomer and planetary scientist Steve Squyres, the principal scientist in charge of Mars exploration rovers Spirit and Opportunity, explains how he fell in love with Mars and why humans need to go there.
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryMartian sunrise at Phoenix landing site on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryAn image of the Spirit rover is supperimposed on a view of the sunset at Gusev crater on Mars. ▲
Photo: NASA/ Jet Propulsion LaboratoryAn approximate true-color picture of one of the walls of Victoria Crater in Mars, taken by the Opportunity rover. ▲
Photo: NASA/Jet Propulsion LaboratoryA 360-degree panorama taken by Opportunity on its 12-km trek to Endeavor crater. ▲
Photo: NASA/Jet Propulsion LaboratoryA false-color panorama taken by Opportunity on its 12-km trek to Endeavor crater. ▲
Photo:NASA/Jet Propulsion Laboratory-Caltech, CornellSynthetic image of Spirit on "Husban Hill" on Mars ▲
Photo: NASA/Glenn Research CenterPlanet Mars ▲
Photo: NASA/Kennedy Space CenterApollo 11 liftoff ▲
Photo: NASA/ Glenn Research CenterApollo astronat on the moon ▲
Photo: NASA/ Johnson Space CenterAstronaut John Glenn poses in Mercury Spacesuit in 1962. ▲
Photo: Matt HintsaHo Plaza, Cornell University, Ithaca, NY ▲
Photo: NASAViking Orbiter 1 spacecraft ▲
Photo:NASA/Kennedy Space CenterArtist drawing of the Viking spacecraft ▲
Photo: NASA/ Langley Research CenterThis Viking Orbiter 1 image shows a sunrise over one of Mars high plateau regions. The white areas are bright clouds of water ice. ▲
Photo: NASA/Jet Propulsion LaboratoryViking Orbiter 2 captures a large dust storm over Mars. ▲
Photo: NASA/Jet Propulsion LaboratoryThree Viking images make up this image of the Memnonia Fossae region of Mars. ▲
Photo: NASA/ Jet Propulsion Laboratory Earth and Mars comparison ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA, M.Wolff, J.Bell, S.LeeNASA's Hubble Space Telescope captured these sharp views of Mars during the planet's close approach to Earth in 1999. ▲
Photo: NASA and G.BaconAn artist's conception of an acient gas-giant planet surrounded by a sea of stars ▲
Photo:NASA, ESA and G.BaconAn artist illustration of three extrasolar planets ▲
Photo: NASA/Jet Propulsion LaboratoryArtist conception of a distant hypothetical solar system ▲
Photo: NASA, ESA, the Hubble Heritage TeamOne of the few planetary nebula in our galaxy that's nested inside an open start cluster ▲
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Photo: NASA/P.DiMareArtist concept of astronauts walking on Mars ▲
Photo: NASA/Jet Propulsion LaboratoryArtist illustration of a NASA Mars rover ▲
Photo: NASA/Jet Propulsion LaboratorySpirit uses its robotic arm to examine a Martian rock. ▲
Photo:NASAGemini VI in orbit above Earth in 1965 ▲
Photo:NASA/Johnson Space CenterAstronaut John Glenn photographed this orbital sunset during a Mercury-Atlas 6 flight. ▲
Photo: NASA/Johnson Space CenterApollo captures Earth rise from the Moon. ▲
Photo:NASA/Jet Propulsion LaboratoryA mosiac of Mars composed with Viking Orbiter 1 images ▲
IEEE Spectrum is the flagship publication of the IEEE — the world’s largest professional organization devoted to engineering and applied sciences. Our articles, videos, and infographics inform our readers about developments in technology, engineering, and science.
IEEE Spectrum is the flagship publication of the IEEE — the world’s largest professional organization devoted to engineering and applied sciences. Our articles, videos, and infographics inform our readers about developments in technology, engineering, and science.
