Which is the LEAST eccentric orbit?

e=0.001

e=0.90

e=1

e=0.25

5 answers

The least eccentric orbit is when e = 0, which means the orbit is perfectly circular. None of the options given have an eccentricity of 0, so among the given options, the least eccentric orbit is when e = 0.001.
Why were Tycho Brahe's data and observations important for Kepler's laws?

They proved one of the laws to be true.

They disproved the laws.

They provided evidence to support the laws.

They had no relation to the laws.
They provided evidence to support the laws.
Where is the sun located on Earth’s elliptical orbit?

at a focus

at the perihelium

at the aphelium

at the center of the two foci
The Sun is located at one of the foci of Earth's elliptical orbit.