Question

Venus has the smallest orbital eccentricity of any of the planets. What is the eccentricity of Venus?(1 point)
Responses

0.8040
0.8040

0.0000
0.0000

0.0068
0.0068

1.0300
1.0300
Question 2
What does it mean when the orbital eccentricity of a planet is close to 1?(1 point)
Responses

Its orbit is not closed around a fixed point
Its orbit is not closed around a fixed point

Its orbit is a highly elongated ellipsis.
Its orbit is a highly elongated ellipsis.

Its orbit crosses over the orbit of another planet.
Its orbit crosses over the orbit of another planet.

Its orbit is close to another planet's.
Its orbit is close to another planet's.
Question 3
Astronomers discover a new comet that follows a highly elliptical orbit. What is its eccentricity likely to be?(1 point)
Responses

0.9200
0.9200

0.0009
0.0009

0.0014
0.0014

0.1500

Answer 1

**Question 1:** The eccentricity of Venus is **0.0068**.

**Question 2:** When the orbital eccentricity of a planet is close to 1, it means **its orbit is a highly elongated ellipsis.**

**Question 3:** For a newly discovered comet that follows a highly elliptical orbit, its eccentricity is likely to be **0.9200**.