Space Travel

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Space tourism has a number of both benefits and drawbacks. Its advantages include a high public profile, technological innovation and high investor interest. Its disadvantages include a huge initial investment cost and risky operations in a hostile environment.

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  • How many miles is it from Earth to space?

    Q: How many miles is it from Earth to space?

    A: According to data collected by the University of Calgary, space begins and the Earth's atmosphere ends at 73 miles above the Earth's surface. However, other countries and agencies have a differing opinion on where space begins.
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  • How fast do satellites travel?

    Q: How fast do satellites travel?

    A: A satellite requires a speed of 17,450 miles per hour in order to maintain a low Earth orbit. Satellites in higher orbits travel more slowly; for example, a geostationary satellite only orbits at 6,858 miles per hour.
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  • What countries have put men on the moon?

    Q: What countries have put men on the moon?

    A: The only country to have put men on the moon is the United States. This happened over six Apollo missions, between 1969 and 1972.
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  • How many space shuttles have crashed?

    Q: How many space shuttles have crashed?

    A: Only two space shuttles, the Challenger and the Columbia, have crashed. There have, however, been other deaths related to the space shuttle program.
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  • How many miles does it take to reach outer space?

    Q: How many miles does it take to reach outer space?

    A: The number of miles required to reach outer space depends on whom is asked: the space industry lists 62 miles; NASA sets the boundary at 76 miles. Others place the marker at an astronomical 13 million miles.
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  • How long does it take for the International Space Station to orbit Earth?

    Q: How long does it take for the International Space Station to orbit Earth?

    A: The International Space Station takes 91.63 minutes to orbit Earth. According to the National Aeronautics and Space Administration, in its first 10 years in space, the International Space Station had orbited Earth 57,361 times, which calculates to 15.7153 orbits daily; this number varies based on air drag and corrective reboosts.
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  • What are all the space shuttle names?

    Q: What are all the space shuttle names?

    A: NASA's space shuttle fleet was comprised of orbiters Atlantis, Challenger, Columbia, Discovery, Endeavour and a prototype craft named Enterprise. The space shuttle program began in 1981 and conducted 135 missions.
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  • Why did Neil Armstrong go to the moon?

    Q: Why did Neil Armstrong go to the moon?

    A: According to NASA, the crew of Apollo 11, which included Neil Armstrong, went to the moon to meet a goal set by President Kennedy. The crew were also on a scientific mission to gather samples from the moon.
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  • How many space shuttles have blown up?

    Q: How many space shuttles have blown up?

    A: Two space shuttles have blown up. The Space Shuttle Challenger blew up in 1986 less than a minute and a half after launch. In 2003, the Space Shuttle Columbia exploded upon re-entry. In both accidents, all crew members died.
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  • What are the advantages and disadvantages of space tourism?

    Q: What are the advantages and disadvantages of space tourism?

    A: Space tourism has a number of both benefits and drawbacks. Its advantages include a high public profile, technological innovation and high investor interest. Its disadvantages include a huge initial investment cost and risky operations in a hostile environment.
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  • Which space shuttle was inspected after two lightning strikes?

    Q: Which space shuttle was inspected after two lightning strikes?

    A: On July 7, 2011, two lightning strikes occurred within a mile of the space shuttle Atlantis' launch pad. Neither of these strikes actually hit the shuttle itself. Rather, the strikes made contact with a nearby beach and with a water tower that was about 500 feet away from the shuttle.
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  • Who was astronaut Kalpana Chawla?

    Q: Who was astronaut Kalpana Chawla?

    A: According to NASA, Kalpana Chawla was an aerospace engineer, research scientist, and the first Indian woman to fly into space. Chawla first flew on Space Shuttle Columbia as part of STS-87 in 1997. She was also part of the STS-107 mission and was killed when the Columbia orbiter broke up upon re-entry on February 1, 2003.
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  • How long did it take Neil Armstrong to get to the moon?

    Q: How long did it take Neil Armstrong to get to the moon?

    A: The Apollo 11 space mission, commanded by Neil Armstrong, took three days, three hours and 49 minutes to reach the moon after launching from Earth. However, Armstrong did not set foot on the moon for more than six hours after landing.
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  • What is the most popular space food?

    Q: What is the most popular space food?

    A: Space travel, like any other road trip, requires having the right snacks. And when you're an astronaut hovering above your home planet, it's nice to have a few comfort foods that remind you of Earth. That's probably why the most popular space food is M&Ms.
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  • What are Mercury missions?

    Q: What are Mercury missions?

    A: The Mercury missions were America's first manned spaceflight missions. They took place from 1961 to 1963. The goals of the program were to put an astronaut in orbit and achieve spaceflight lasting longer than 24 hours safely. Alan Shepard, Gus Grissom, John Glenn, Scott Carpenter, Wally Schirra, Gordon Cooper and Deke Slayton were the seven astronauts chosen for the program, but Deke Slayton was grounded for medical reasons.
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  • Why does NASA have a "master sniffer"?

    Q: Why does NASA have a "master sniffer"?

    A: NASA needs a few good noses. Astronauts can't ventilate their spacecraft while in orbit, so it's up to chief George Aldrich and his team of sniffers to make sure each object doesn't give off an unpleasant smell. More importantly, they look for fumes that could be dangerous or deadly to astronauts in space.
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  • Q: What are some pros and cons of joining space exploration programs?

    A: The advantages of joining a space exploration program as a scientist or an astronaut include the satisfaction of solving an intellectual challenge, the high salary and the adventurous experience. Some of the cons are that the results of one's work are not immediately seen, as space exploration is a long term goal, as well as the expensive and long training process required to join a space exploration program.
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  • Q: How fast does the Mars rover go?

    A: Curiosity, a rover that's exploring Mars as of 2014, has a top ground speed of 1.5 inches per second, or about 0.1 mph. Curiosity landed on Mars on Aug. 5, 2012.
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  • What are examples of future spacecraft?

    Q: What are examples of future spacecraft?

    A: Examples of future spacecraft include craft that use nuclear-pulse propulsion and other exotic methods of space travel. Project Orion, Project Daedalus and Project Longshot were proposals in the 1960s to build future spacecraft that could traverse the solar system with ease.
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  • Q: How high does a space shuttle fly?

    A: The U.S. Space Shuttles flew at a variety of altitudes depending on their individual missions, mostly between 190 to 330 nautical miles above the Earth. The highest mission flown by a Space Shuttle was STS-82, where the shuttle reached 335 nautical miles to service and boost the Hubble Space Telescope.
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  • Q: When was the space shuttle invented?

    A: The invention of the space shuttle occurred over many years beginning with the announcement of the shuttle design program in 1972 and ending with the first shuttle launch in 1981, though many improvements occurred throughout the years. The National Aeronautics and Space Administration designed the first space shuttle.
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