topic 8 planetary motion and gravity Flashcards
1
Q
who developed the law of universal gravitation,
A
isaac newton
2
Q
made precise observations of the planet Mars that allowed the laws of planetary
motion to be developed,
A
tycho brahe
3
Q
who used mathematical modelling to establish the Sun-centred model of the ‘universe’,
A
Nicholas Copernicus
4
Q
who used mathematics to develop the laws of planetary motion,
A
Johannes Kepler
5
Q
who explained the stable orbits of planets and moons in terms of gravitation.
A
isaac newton
6
Q
what word describes the shape of the Earth’s orbit around the Sun?
A
an ellipse
7
Q
A
