Solar system (Edexcel GCSE Physics Combined Science): Flashcards
📚Flashcards
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15 cards from this deck
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Practise the cards
15 cards from this deck
Star at the centre of our solar system
Star at the centre of our solar system
Sun
Number of planets in the solar system
Number of planets in the solar system
Eight
Term for Sun at centre of solar system
Term for Sun at centre of solar system
Heliocentric
Two examples of dwarf planets
Two examples of dwarf planets
Pluto and Ceres
Galaxy containing the solar system
Galaxy containing the solar system
Milky Way
Eight planets in order from the Sun
Eight planets in order from the Sun
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
Composition of inner planets
Composition of inner planets
Rock
Composition of outer planets
Composition of outer planets
Gas
Why larger planets have rings
Why larger planets have rings
Strong gravitational fields attract debris
Model with Earth at centre (old theory)
Model with Earth at centre (old theory)
Geocentric model
Evidence for heliocentric model from Mars
Evidence for heliocentric model from Mars
Retrograde motion
What Galileo observed orbiting Jupiter
What Galileo observed orbiting Jupiter
Moons
Shape of planetary orbits (Kepler's discovery)
Shape of planetary orbits (Kepler's discovery)
Ellipses
Force causing planets to orbit the Sun
Force causing planets to orbit the Sun
Gravitational force
Effect on orbital speed when planet moves closer to Sun
Effect on orbital speed when planet moves closer to Sun
Orbital speed increases