circular
All planets in our solar system have elliptical orbits.
Kepler discovered the orbits of the solar system are elliptical.
Yes, everything that orbits our sun, including everything that orbits everything that orbits our sun, is part of the solar system.
No. Pluto orbits in our solar system.
A moon orbits a planet.
The planets in our solar system have an elliptical (oval) orbit around the Sun. This orbital shape is a result of the gravitational forces between the planets and the Sun. Planets closer to the Sun have shorter and more circular orbits, while those farther away have longer and more elliptical orbits.
The heart is the star around which the solar system orbits. In our solar system the heart would be our sun
Gravity plays an important role in maintaining the shape of the solar system by keeping the planets in their orbits around the Sun. The gravitational pull of the Sun is what keeps the planets moving in their paths without drifting off into space.
None of the planets pass out of our solar system. The orbits of the planets, irregular as they may be IS the solar system.
Yes, Earth orbits the Sun in our solar system.
Yes, the Earth orbits the sun in our solar system.
Mercury has an elliptical orbit, it is also one of the most eccentric orbits of our solar system.