Question

The following diagram shows the path of a planet around the Sun. Kepler discovered that _____.
https://clackamasweb.owschools.com/media/g_ipc_2014/11/orbit_example.jpg

area D = area B + area C
the distance from P3 to P4 equals the distance from P4 to P5
the distance from P4 to P5 equals the distance from P6 to P1
the speed in the interval from P4 to P5 equals the speed in the interval from P1 to P2

Answer 1

An imaginary line joining a planet and the sun sweeps out an equal area of space in equal amounts of time.

Answer 2

thanks you

Answer 3

The planet sweeps by area B in time t,
area C in time t
The planet sweeps by area D in time 2t so the areas swept out are equal