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

Question

Responses

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

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

its orbit is a highly elongated ellipsis.
its orbit is a highly elongated ellipsis.

its orbit is close to another planet's.

Answer 1

When the orbital eccentricity of a planet is close to 1, it means:

its orbit is a highly elongated ellipse.