SOLAR SYSTEM

Detailed explanation-1: -The steps to nebular theory go as follows. Nebula becomes a solar nebula as a region within the cloud of gas and dust condenses into a core and forms a protostar. The condensing material could have been caused by a nearby supernova shockwave. The material surrounding the protostar collapses into an accretion disk.

Detailed explanation-2: -The correct option is D Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

Detailed explanation-3: -Our Solar System has eight planets which orbit the sun. In order of distance from the sun they are; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto, which until recently was considered to be the farthest planet, is now classified as a dwarf planet.

Detailed explanation-4: -Step 1 of the formation of the solar system. the solar nebula collapses. Step 2 of the formation of the solar system. rotating protostellar disk. Step 3 of the formation of the solar system. center of nebula fusion begins, star is born. Step 4 of the formation of the solar system. Planeteseimals eventually planets form.

Detailed explanation-5: -Mercury. Mercury-the smallest planet in our solar system and closest to the Sun-is only slightly larger than Earth’s Moon. Venus. Venus spins slowly in the opposite direction from most planets. Earth. Mars. Jupiter. Saturn. Uranus. Neptune.