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  2. Henry Crown Space Center - Wikipedia

    en.wikipedia.org/wiki/Henry_Crown_Space_Center

    The space center opened with a visit from James Lovell in 1986. [1] The cost of the Space center was 12 million dollars. The museum of Science and Industry in Chicago also opened an OmniMax theater in 1986: it was built inside the space center. [3] [7] The space center was remodeled and reopened in May of 2024.

  3. Miles per hour - Wikipedia

    en.wikipedia.org/wiki/Miles_per_hour

    Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom , the United States , and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.

  4. Space technology - Wikipedia

    en.wikipedia.org/wiki/Space_technology

    Space is a fairly predictable environment, but there are still risks of accidental depressurization and the potential failure of equipment, some of which may be very newly developed. In April 2004 the International Association for the Advancement of Space Safety was established in the Netherlands to further international cooperation and ...

  5. NASA spin-off technologies - Wikipedia

    en.wikipedia.org/wiki/NASA_spin-off_technologies

    NASA also helped develop a specialized mask weighing less than 3 ounces (85 g) to protect the physically impaired from injuries to the face and head, as well as flexible, heat-resistant materials—developed to protect the space shuttle on reentry—which are being used both by the military and commercially in suits for municipal and aircraft ...

  6. Grid Compass - Wikipedia

    en.wikipedia.org/wiki/Grid_Compass

    The Grid Compass is a family of laptop computers introduced in 1982 by the Grid Systems Corporation.The design for the Compass was rendered by Bill Moggridge.Owing to its clamshell design—the first in a portable computer—some historians credit the original Compass as the first ever laptop.

  7. Global Positioning System - Wikipedia

    en.wikipedia.org/wiki/Global_Positioning_System

    The space segment (SS) is composed of 24 to 32 satellites, or Space Vehicles (SV), in medium Earth orbit, and also includes the payload adapters to the boosters required to launch them into orbit. The GPS design originally called for 24 SVs, eight each in three approximately circular orbits , [ 89 ] but this was modified to six orbital planes ...

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  9. Timeline of space travel by nationality - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_space_travel...

    Countries represented only by suborbital space flyers are shaded. Note: citizens from the now-defunct East Germany, Czechoslovakia, and Soviet Union have also flown in space. Since the first human spaceflight by the Soviet Union, citizens of 48 countries have flown in space. For each nationality, the launch date of the first mission is listed.

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