Neptune is the outermost planet of the gas giants. It has an equatorial diameter of 49,500 kilometers (30,760 miles) and is the eighth planet from the sun. If Neptune were hollow, it could contain nearly 60 Earth’s. Neptune orbits the Sun every 165 years. It has eight moons, six of which were found by Voyager…
Our solar system is divided into two sections, the first section being the inner planets consisting of Mercury, Venus, Earth, and Mars. The inner planets have rocky crusts, dense mantle layers, and very dense cores. The second section consists of Jupiter, Saturn, Uranus, Neptune, and Pluto. Except for Pluto, the outer planets are gaseous with…
A great cloud of gas and dust (called a nebula) begins to collapse and spin Nebula begins to flatten into a spinning pancake shape with a bulge at the center This is due to forces of gravity and rotation Further collapse causes certain regions to condense into the sun, planets, and moons In the center…
The earth, its relation to the stars and planets, and speculations as to its origin attracted human curiosity long before the birth of the geological sciences. Although such studies fall more properly within the realm of astronomy,’ a brief survey of the earth and its planetary relations will provide the reader with some understanding of…
– Just like the Earth, all the planets in the solar system (there are eight of them) rotate around their axes (therefore the planet’s day) and revolve around the Sun (therefore the planet’s year). – Planets revolve in a certain path around the Sun called an “orbit.” An “orbital period” is the time it takes…