Answer: D. N,U,SAT,J,MARS,E,V,MER
Explanation:
The solar system has 8 planets - 4 inner planets which are terrestrial and 5 Jovian outer planets. These are separated by asteroid belt present between the orbit of mars and Jupiter.
The order of planets inwards towards the Sun is:
Neptune, Uranus, Saturn, Jupiter, Mars, Earth , Venus and Mercury.
Some facts about these planets are:
Mercury is the first planet nearest to Sun and smallest planet of the solar system.
Venus is the hottest planet. The sun rays are trapped in the atmosphere.
Earth is the only planet where life exists.
Mars is known as the red planet because of the presence of iron oxide on its surface.
Jupiter is the biggest planet.
Saturn has beautiful ring system which can be seen from Earth. Saturn's density is very less. It can float in water.
Uranus and Neptune are blue in color due to presence of Methane in their atmosphere.