Changing ideas about universe (Edexcel GCSE Physics): Flashcards
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Centre of universe in Geocentric Model
Centre of universe in Geocentric Model
Earth
Time period of Geocentric Model
Time period of Geocentric Model
Up until the 1500s
Shape of orbits in Geocentric Model
Shape of orbits in Geocentric Model
Perfect circles
Centre of solar system in Heliocentric Model
Centre of solar system in Heliocentric Model
Sun
Time period of Heliocentric Model
Time period of Heliocentric Model
16th century
Galileo's discovery orbiting Jupiter
Galileo's discovery orbiting Jupiter
Four moons (Galilean moons)
What Galileo's discovery proved
What Galileo's discovery proved
Not everything orbits Earth
Shape of orbits in current solar system model
Shape of orbits in current solar system model
Elliptical (oval-shaped)
Basic idea of Steady State Theory
Basic idea of Steady State Theory
Universe has always existed & will always remain the same
What's created as universe expands (Steady State)
What's created as universe expands (Steady State)
New matter
What universe began as (Big Bang Theory)
What universe began as (Big Bang Theory)
Small, very dense, and hot space
Time of Big Bang
Time of Big Bang
13.8 billion years ago
Key evidence for Big Bang Theory
Key evidence for Big Bang Theory
Cosmic microwave background radiation & galaxies moving apart
Widely accepted theory for universe creation
Widely accepted theory for universe creation
Big Bang Theory