Observing the sky, orbits and gravity

The celestial sphere and the constellations, the birth of astronomy from Ptolemy to Kepler and Newton, orbital motion, and the cycles of seasons, moon phases, tides and eclipses.

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  • Vorderseite accelerate
    Rückseite to change velocity; to speed up, slow down, or change direction.
  • Vorderseite angular momentum
    Rückseite the measure of the motion of a rotating object in terms of its speed and how widely the object’s mass is distributed around its axis
  • Vorderseite aphelion
    Rückseite the point in its orbit where a planet (or other orbiting object) is farthest from the Sun
  • Vorderseite apogee
    Rückseite the point in its orbit where an Earth satellite is farthest from Earth
  • Vorderseite apparent magnitude
    Rückseite a measure of how bright a star looks in the sky; the larger the number, the dimmer the star appears to us

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Creative Commons Attribution 4.0 International CC-BY-4.0
Attribution
Source : https://openstax.org/books/astronomy/pages/preface — Licence : Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/)
Quelle
OpenStax — Astronomy (first edition)
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Thema
Astronomie
Sprache
English
Fassung
3
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