Space Travel

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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  • 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 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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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  • 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 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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  • 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: How do astronauts put on a NASA space suit?

    A: The spacesuit used by NASA separates into two parts, allowing an astronaut to don the legs before climbing into the upper torso module that contains the life-support gear. Before climbing in, however, the astronaut must first put on a spandex cooling and ventilation suit, communications gear, medical sensors and a urine collector. Once the suit is locked, the astronaut adds a helmet and gloves for full protection.
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  • Q: How do astronauts keep their living quarters clean?

    A: According to the Japan Aerospace Exploration Agency, astronauts on the International Space Station use vacuum cleaners, antibacterial wipes and liquid detergent to keep their living quarters clean. Because crumbs and other debris can cause major problems in zero gravity, astronauts build time into their schedules to keep the space station as tidy as possible.
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  • Q: Where can you find the latest news on NASA?

    A: Find the latest news on NASA at Nasa.gov and the social media accounts of NASA. The official website is available for both desktop and mobile devices. NASA updates the website and shares news on social media regularly, often multiple times a day.
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  • What are some famous UFO sightings?

    Q: What are some famous UFO sightings?

    A: Roswell New Mexico's 1947 UFO crash ranks among the most famous and influential UFO sightings. Other well-known UFO events include the Phoenix lights incident of 1997, the airship sightings of 1896-1897, and the Betty and Barney Hill abduction of 1961.
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  • Q: What is the principle of rocket propulsion?

    A: The principle of rocket propulsion follows Newton's famous third law of motion, which states that to every action there is an equal and opposite reaction. A rocket engine travels by expelling mass in one direction while at the same time using the reaction to move in the other direction.
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