Venus is the nearest to earth.

Mercury is nearest to Sun.

Venus is the hottest planet of solar system because its temperature is highest.

Mercury and Venus both have no satellite.

Pluto is the smallest planet of our solar system.

Yes,  Halley's comet was last seen in 1986, this will next appear in after 76 years in the year 2062.

Pluto has maximum period of one revolution about 248 years.

Venus and Uranus both show retrograde rotation.

Uranus gives off a greenish glow so it is known as greenish planet.

Venus is known as the brightest planet because it is the hottest planet and temperature of it is almost same at all the time.

Jupiter has 39 known moons.

Minor planets are also known as asteroids.

Jupiter is the largest planet because diameter is almost 142,800 km.

Jupiter is a outer planet or gas giants because it is made up of gases.

Triton is the satellite of Neptune.

Uranus is named after Greek god of sky.

Sedna is the largest asteroid or planetoid with a diameter of 800-1,100 miles.

Venus is known as the Earth's twin because it is almost same size as the Earth.

Venus is known as the deadliest planet because of its highest temperature.

Mercury comes in the group of inner planet.

Galaxy is not in the family of the solar system.

Mercury is named after the messenger of Roman gods.

Jupiter takes about 9.93 hrs for one rotation, which is minimum.