Unit 4.1 Orbits and the wider universe Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

What’s Kepler’s first law?

A

each planet moves in an ellipse with the Sun at one focus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What’s Kepler’s second law?

A

The line joining a planet to the centre of the Sun sweeps out equal areas in equal times.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What’s Kepler’s third law?

A

The square of the period of the planet’s motion is proportinal to r3, where r is the mean distance from the planet to the star, whent he orbit is close to circular.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly