Solar System Pictures

Almost each planet has natural satellites, or moons. While some have over 60, others have only 1, like Earth. The Earth’s Moon (its Latin name is the ‘Luna’) has been visited by human beings. There is no atmosphere on the Moon even though ice is found on the surface. A theory suggests that a large particle came in contact with Earth which led to the formation of the Moon as we know it today.

The moons of other planets are formed from the same material of dust and cloud. Asteroids are moons which are ‘stuck’ in orbit because of a strong gravitational pull. The collision which led to the formation of the Earth’s Moon is similar to the impact which caused Pluto’s satellite Charon to be formed.

A majority of stars are either neutrons stars or white dwarfs. The last stage of the life span of stars causes them to transform into black holes. Solar system pictures prove that these stars are usually massive in size. As soon as these giant stars reach their last stage, they are referred to as supernovae. This explosion causes major portions of the star to scatter into space. Even if a part of this star is left behind, it is cold and dead. This means that it is not possible for fusion to take place after this stage.

Younger stars survive initially because there is a balance between the outer gravitational pull and that which exists within the mass of the star. Both gravities are constant and stable. Therefore, after the last stage, these forces do not exist anymore that causes the star to collapse.

Dwarf planets and eight planets are almost identical but scientists prove that a key difference exists as well. While planets clear their orbits, dwarf planets do not. They are not independent in terms of the gravitational pull which is why they have to share their space with a number of other objects found in outer space.

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