planetary contrast

  • 111Nebula — Nebulae redirects here. For the supercomputer in China, see Nebulae (computer). For other uses, see Nebula (disambiguation). The Pillars of Creation from the Eagle Nebula …

    Wikipedia

  • 112Gaia hypothesis — The study of planetary habitability is partly based upon extrapolation from knowledge of the Earth s conditions, as the Earth is the only planet currently known to harbour life. The Gaia hypothesis, also known as Gaia theory or Gaia principle,… …

    Wikipedia

  • 113Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …

    Wikipedia

  • 114Spirit rover — (MER A) Artist s concept of Rover on Mars Operator NASA Mission type Rover Launch date …

    Wikipedia

  • 115Futurology — Futures Studies, Foresight, or Futurology is the science, art and practice of postulating possible, probable, and preferable futures and the worldviews and myths that underlie them. Futures studies (colloquially called Futures by many of the… …

    Wikipedia

  • 116Al Gore — This article is about the former U.S. Vice President. For his father, who was also a U.S. Senator, see Albert Gore, Sr. Al Gore …

    Wikipedia

  • 117technology, history of — Introduction       the development over time of systematic techniques for making and doing things. The term technology, a combination of the Greek technē, “art, craft,” with logos, “word, speech,” meant in Greece a discourse on the arts, both… …

    Universalium

  • 118Darwin (spacecraft) — Darwin General information Organization European Space Agency (ESA) Launched from Guiana Space Centre French Guiana [1] Launch vehicle Soyuz 2/Fregat …

    Wikipedia

  • 119Metamaterial antenna — This Z antenna tested at the National Institute of Standards and Technology is smaller than a standard antenna with comparable properties. Its high efficiency is derived from the Z element inside the square that acts as a metamaterial, greatly… …

    Wikipedia

  • 120Aristotle the philosopher of nature — David Furley 1 THE TREATISES ON NATURE The subject matter of the present chapter is what Aristotle has to say about the natural world the subject that in classical Greek is most accurately rendered as ta physika. But of course this includes many… …

    History of philosophy