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  2. Human presence in space - Wikipedia

    en.wikipedia.org/wiki/Human_presence_in_space

    Human presence in outer space began with the first launches of artificial object in the mid 20th century, and has increased to the point where Earth is orbited by a vast number of artificial objects and the far reaches of the Solar System have been visited and explored by a range of space probes.

  3. Benefits of space exploration - Wikipedia

    en.wikipedia.org/wiki/Benefits_of_space_exploration

    Space engineers helped design heart pumps now used to keep people in need of heart transplant alive until a donor heart becomes available. [28] Discoveries concerning the human body and space, particularly the effects on the development of bones, may provide further understanding of biomineralization and the process of gene transcription. [29]

  4. Planetary habitability in the Solar System - Wikipedia

    en.wikipedia.org/wiki/Planetary_habitability_in...

    Planetary habitability in the Solar System is the study that searches the possible existence of past or present extraterrestrial life in those celestial bodies. As exoplanets are too far away and can only be studied by indirect means, the celestial bodies in the Solar System allow for a much more detailed study: direct telescope observation, space probes, rovers and even human spaceflight.

  5. The best scientific arguments for why aliens exist - AOL

    www.aol.com/article/2015/09/28/the-best...

    From what we know about solar system formation, there are other comets in other planetary systems that could be doing the same thing right now. Read more about the report from last August here .

  6. Potential cultural impact of extraterrestrial contact - Wikipedia

    en.wikipedia.org/wiki/Potential_cultural_impact...

    A poll of United States and Chinese university students in 2000 provides factor analysis of responses to questions about, inter alia, the participants' belief that extraterrestrial life exists in the Universe, that such life may be intelligent, and that humans will eventually make contact with it. [25]

  7. Anthropic principle - Wikipedia

    en.wikipedia.org/wiki/Anthropic_principle

    In fact, anthropic reasoning interests scientists because of something that is only implicit in the above formal definitions, namely that humans should give serious consideration to there being other universes with different values of the "fundamental parameters"—that is, the dimensionless physical constants and initial conditions for the Big ...

  8. 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.

  9. Space colonization - Wikipedia

    en.wikipedia.org/wiki/Space_colonization

    Eventually the first space stations were succeeded by the ISS, today's largest human outpost in space and closest to a space settlement. Built and operated under a multilateral regime, it has become a blueprint for future stations, such as around and possibly on the Moon.