Michael Pérez
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Michael Pérez
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Satellites

Frage 1 von 5

1

What was the first artificial Earth satellite?

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  • Sputnik 1

  • XMM Newton

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Frage 2 von 5

1

There are about 2,000 active satellites orbiting earth right now.

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  • WAHR
  • FALSCH

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Frage 3 von 5

1

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In the context of spaceflight, a satellite is an object that been intentionally placed into orbit. These objects are artificial satellites to distinguish from natural such as Earth's Moon.

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Frage 4 von 5

1

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History
The first published mathematical study of the possibility of ( a, an, the ) artificial satellite ( was, were, has been ) Newton's cannonball, a thought experiment in A Treatise of the System of the World by Isaac Newton (1687). The first fictional depiction of a satellite being launched into orbit ( was, were, has been ) a short story by Edward Everett Hale, The Brick Moon.[3][4] The idea surfaced again in Jules Verne's The Begum's Fortune (1879).

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Frage 5 von 5

1

In May 1946, the United States Air Force's Project released the Preliminary Design of an Experimental World-Circling , which stated that "A satellite vehicle with appropriate instrumentation can be expected to be one of the most potent tools of the Twentieth Century."

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    RAND
    Spaceship
    scientific

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