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  2. Geology of solar terrestrial planets - Wikipedia

    en.wikipedia.org/wiki/Geology_of_solar...

    Terrestrial planets have numerous similarities to dwarf planets (objects like Pluto), which also have a solid surface, but are primarily composed of icy materials. During the formation of the Solar System, there were probably many more ( planetesimals ), but they have all merged with or been destroyed by the four remaining worlds in the solar ...

  3. Earth - Wikipedia

    en.wikipedia.org/wiki/Earth

    Human activity has caused increased temperatures, with natural forces adding some variability. [275] Human activities have impacted Earth's environments. Through activities such as the burning of fossil fuels, humans have been increasing the amount of greenhouse gases in the atmosphere, altering Earth's energy budget and climate.

  4. Captain Planet and the Planeteers - Wikipedia

    en.wikipedia.org/wiki/Captain_Planet_and_the...

    Captain Planet and the Planeteers, commonly referred to as simply Captain Planet, is an American animated environmentalist superhero television series created by Barbara Pyle and Ted Turner [1] and developed by Pyle, Nicholas Boxer, Thom Beers, Andy Heyward, Robby London, Bob Forward, and Cassandra Schafausen.

  5. Diet for a Small Planet - Wikipedia

    en.wikipedia.org/wiki/Diet_for_a_Small_Planet

    Diet for a Small Planet is a 1971 book by Frances Moore Lappé. It was a bestseller in the West, and argues for the potential role of soy as a superior form of protein. It demonstrates the environmental impact of meat production and a contributor to global food scarcity. [ 1 ]

  6. Lava planet - Wikipedia

    en.wikipedia.org/wiki/Lava_planet

    Artist's impression of CoRoT-7b, likely a lava exoplanet. A lava planet is a type of terrestrial planet, with a surface mostly or entirely covered by molten lava.Situations where such planets could exist include a young terrestrial planet just after its formation, a planet that has recently suffered a large collision event, or a planet orbiting very close to its star, causing intense ...

  7. Kepler's laws of planetary motion - Wikipedia

    en.wikipedia.org/wiki/Kepler's_laws_of_planetary...

    The three laws state that: [1] [2] The orbit of a planet is an ellipse with the Sun at one of the two foci. A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time. The square of a planet's orbital period is proportional to the cube of the length of the semi-major axis of its orbit.