When viewed from the equator (0 degrees latitude), Polaris lies on the northern horizon. As an observer moves northward--say, to Houston, Tex. (30 degrees latitude)-- Polaris is located 30 degrees above the northern horizon.
Explanation:
There are 8 known planets within the solar system that orbits the sun with other planetary matter.
Inner planets are also known as the terrestrial planets. They are rocky balls of mass found very close to the sun.
These planets are: Mercury, Venus, Earth and Mars
The outer planets are the extraterrestrial planets. They are gas giants and are full of gaseous matter. They have huge volume compared to the inner planets.
These planets are: Jupiter, Saturn, Uranus and Neptune
The astronomical event that represents the great serpent mound is Halley's Comet.