When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Space technology - Wikipedia

    en.wikipedia.org/wiki/Space_technology

    Space technology is technology for use in outer space.Space technology includes space vehicles such as spacecraft, satellites, space stations and orbital launch vehicles; deep-space communication; in-space propulsion; and a wide variety of other technologies including support infrastructure equipment, and procedures.

  3. Space exploration - Wikipedia

    en.wikipedia.org/wiki/Space_exploration

    Space exploration is the use of astronomy and space technology to explore outer space. [1] While the exploration of space is currently carried out mainly by astronomers with telescopes, its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight.

  4. Prehn's sign - Wikipedia

    en.wikipedia.org/wiki/Prehn's_sign

    According to Prehn's sign, the physical lifting of the testicles relieves the pain of epididymitis but not pain caused by testicular torsion. [ 4 ] Negative Prehn's sign indicates no pain relief with lifting the affected testicle, which points towards testicular torsion which is a surgical emergency and must be relieved within 6 hours.

  5. Chinese space program - Wikipedia

    en.wikipedia.org/wiki/Chinese_space_program

    The space program of the People's Republic of China is about the activities in outer space conducted and directed by the People's Republic of China.The roots of the Chinese space program trace back to the 1950s, when, with the help of the newly allied Soviet Union, China began development of its first ballistic missile and rocket programs in response to the perceived American (and, later ...

  6. Galileo (satellite navigation) - Wikipedia

    en.wikipedia.org/wiki/Galileo_(satellite_navigation)

    Country/ies of origin: European Union: Operator(s) EUSPA, ESA: Type: Civilian, commercial: Status: Initial services [1] [2] [3]: Coverage: Global: Accuracy: 20 cm ...

  7. Spacecraft - Wikipedia

    en.wikipedia.org/wiki/Spacecraft

    A spacecraft is a vehicle that is designed to fly and operate in outer space. [1] Spacecraft are used for a variety of purposes, including communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and transportation of humans and cargo.

  8. Outer space - Wikipedia

    en.wikipedia.org/wiki/Outer_space

    Being essentially empty, outer space allows the earliest (redder) galaxies to be viewed without obstruction, as in the Webb's First Deep Field image.. Outer space (or simply space) is the expanse that exists beyond Earth's atmosphere and between celestial bodies. [1]

  9. Space Age - Wikipedia

    en.wikipedia.org/wiki/Space_Age

    The Space Age is a period encompassing the activities related to the space race, space exploration, space technology, and the cultural developments influenced by these events, beginning with the launch of Sputnik 1 on October 4, 1957, [1] and continuing to the present.