Solar system, Stability of Orbital Motions & Satellites (AQA GCSE Physics): Flashcards
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Heliocentric system
Heliocentric system
System with the Sun at centre
Number of planets in solar system
Number of planets in solar system
Eight
Examples of dwarf planets
Examples of dwarf planets
Pluto and Ceres
Galaxy containing our solar system
Galaxy containing our solar system
Milky Way
Inner planets composition (Mercury, Venus, Earth, Mars)
Inner planets composition (Mercury, Venus, Earth, Mars)
Rock
Outer planets composition (Jupiter, Saturn, Uranus, Neptune)
Outer planets composition (Jupiter, Saturn, Uranus, Neptune)
Gas
Why larger planets have rings
Why larger planets have rings
Strong gravitational fields attract debris
Geocentric model centre
Geocentric model centre
Earth at centre of universe
Mars retrograde motion cause
Mars retrograde motion cause
Earth orbits Sun faster than Mars
Galileo's observation at Jupiter
Galileo's observation at Jupiter
Moons orbiting Jupiter
Kepler's discovery about orbits
Kepler's discovery about orbits
Planets orbit in ellipses, not circles
Force causing planetary orbits
Force causing planetary orbits
Gravitational force
Effect of constant direction change on velocity
Effect of constant direction change on velocity
Velocity always changing
If orbital radius decreases, orbital speed...
If orbital radius decreases, orbital speed...
Increases (to maintain stable orbit)
Natural satellites definition
Natural satellites definition
Moons that orbit planets