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  2. File:Solar-System.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Solar-System.pdf

    (If you can translate this graphic into another language, feel free to get in touch with the author.) Without text and bottom scale indicator Without English text Blank version Versión española 中文版 version française deutsche Version Nederlandse versie schwarzweiß deutsche Version 2018 version

  3. Historical models of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Historical_models_of_the...

    The ancient Hebrews, like all the ancient peoples of the Near East, believed the sky was a solid dome with the Sun, Moon, planets and stars embedded in it. [4] In biblical cosmology, the firmament is the vast solid dome created by God during his creation of the world to divide the primal sea into upper and lower portions so that the dry land could appear.

  4. Outline of Mars - Wikipedia

    en.wikipedia.org/wiki/Outline_of_Mars

    The following outline is provided as an overview of and topical guide to Mars: Mars – fourth planet from the Sun and the second-smallest planet in the Solar System , after Mercury . Named after the Roman god of war , it is often referred to as the " Red Planet " [ 1 ] [ 2 ] because the iron oxide prevalent on its surface gives it a reddish ...

  5. Opposition (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Opposition_(astronomy)

    Diagram of positional astronomy. In positional astronomy, two astronomical objects are said to be in opposition when they are on opposite sides of the celestial sphere, as observed from a given body (usually Earth). A planet (or asteroid or comet) is said to be "in opposition" or "at opposition" when it is in opposition to the Sun.

  6. List of conjunctions (astronomy) - Wikipedia

    en.wikipedia.org/wiki/List_of_conjunctions...

    Mars 35' north of Saturn 42.0° East August 20, 2006 22:40:10 Mercury 31' north of Saturn 11.2° West August 26, 2006 23:09:47 Venus 4' north of Saturn 16.3° West September 15, 2006 20:32:28 Mercury 10' south of Mars 12.1° East October 24, 2006 19:44:11 Venus 43' north of Mars 0.6° West October 25, 2006 21:42:16 Mercury 3°56' south of Jupiter

  7. Free-return trajectory - Wikipedia

    en.wikipedia.org/wiki/Free-return_trajectory

    Sketch of a circumlunar free return trajectory (not to scale), plotted on the rotating reference frame rotating with the moon. (Moon's motion only shown for clarity) In orbital mechanics, a free-return trajectory is a trajectory of a spacecraft traveling away from a primary body (for example, the Earth) where gravity due to a secondary body (for example, the Moon) causes the spacecraft to ...

  8. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    Solar system diagram by Emanuel Bowen in 1747, when neither Uranus, Neptune, nor the asteroid belts had yet been discovered. Orbits of planets are to scale, but the orbits of moons and the sizes of bodies are not. The term "Solar System" entered the English language by 1704, when John Locke used it to refer to the Sun, planets, and comets. [288]

  9. Outline of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Outline_of_the_Solar_System

    The following outline is provided as an overview of and topical guide to the Solar System: Solar System – gravitationally bound system comprising the Sun and the objects that orbit it, either directly or indirectly. Of those objects that orbit the Sun directly, the largest eight are the planets (including Earth), with the remainder being ...