"Why haven't we left low-earth orbit for over 40 years?" We've done a tremendous amount of robotic exploration beyond LEO (low-Earth orbit) since 1972. So, I assume you're wondering why humans have been huddling in LEO since then. On December 11, 1972, Apollo 17 touched down on the Moon. This was not only our final Moon landing, but the last time we left low Earth orbit. Another problem is stronger radiation in space outside earths atmosphere. Earths space stations are still shielded a lot in lower earth orbit. But longer manned moon missions would have more problems with radiation poisoning. Its harmless for a few weeks, but can be deadly within a few years. Why haven't humans gone beyond low-Earth orbit ... "Were the Apollo astronauts the only humans to ... i.e. Apollo 8 and then Apollo 10-17 all left low Earth orbit. Why have we not left low earth orbit since 1972 ... Is It Possible To Go Above Low Earth Orbit? Why haven't we gone back to the moon? - 2768711. 1. This was not only our final Moon landing, but the last time we left low Earth orbit. WIRED's biggest stories ... Low Earth orbit is not very high. This will require a new space program, new materials, new craft, new training, etc. as weve only been building Near Earth Orbit space shuttles for the past 35 years. Take this as you will. If theres one thing we can all agree on, government run, taxpayer-driven, bureaucratic behemoths like NASA take EONS to turn the battleship around. Why is it so hard to go back to the Moon? Since 1972 no human beingnot onehas ventured beyond low Earth orbit. Why haven't we been back to the moon? Forbes. Have we gone to the moon? Yes, ... but the last time we left low earth orbit. Why is it so hard to go back to the Moon? Since 1972 no human beingnot onehas ventured beyond low Earth orbit. This video is unavailable. Watch Queue Queue. Watch Queue Queue Apollo 17 and the mystery of the last moon landing, why havent we returned? Space Nerds of Boston A local exploration of practical space applications ... Why haven't we gone back to the Moon in ... but the last time we left Low Earth Orbit. According to which theory should the sun's equator be nearly in the plane of Earth's orbit? ... NASA, Scientists, Obama Repeatedly Admited We Can't Go Out Of Low Earth Orbit. Why haven't we gone back to the moon? ... And humans have been playing around in low Earth orbit, doing much of the stuff we ... All what NASA had left Obama already admitted we have not been beyond lower earth orbit page: 1. So why haven't we gone back to the moon? ... Why Did We Stop Going To The Moon? ... no human has even left low Earth orbit since then. ... we have never left low Earth orbit, ... Everyone in skyscrapers can see the curve of the Earth. Why haven't we gone back to the moon? ... And humans have been playing around in low Earth orbit, doing much of the stuff we ... All what NASA had left Hey, look at that - a totally spoiler free intro. If you haven't seen it yet, do not read any further. ... but the last time we left low Earth orbit. The moon-mission astronauts are in their 80s and 90s, and we havent left low-Earth orbit since Apollo 17 in 1972. Trump space plans could restore U.S. optimism. It worked for Columbus and Europe. We haven't left low-Earth orbit since Apollo 17, and unthinkable riches languish beyond our reach. ... we havent already been wiped out by the ... it's about thriving. So why haven't we gone back to the moon? ... Why Did We Stop Going To The Moon? ... no human has even left low Earth orbit since then. As incredible a feat as was the Apollo Program and man's bold adventure to the moon, it was done for all the wrong reasons. Did we land on the moon? ... the Moon landings were mocked up in a film studio and that the Apollo crews never left low earth orbit. ... Why haven't we been back? This article was originally written in 2008, but we created a cool video to go along with it yesterday. Over 40 years have passed since the last Apollo mission. So why haven't we gone back to the moon? The Moon is an astronomical body that orbits planet Earth, being Earth's only permanent natural satellite. The evidence for the Big Bang comes from many pieces of observational data that are consistent with the Big Bang. Fox News, the presidents favorite TV channel, is just asking questions. But not about anything important. The Fermi Paradox: There should be 100,000 intelligent alien civilizations in our galaxy so why haven't we found any of them? Earths ancient oceans were rife with nightmare creatures, from many-limbed worms to six-foot-long crab-ancestors.