ASTRONOMY 104 #1) (A) Issac Newton’s Law of Universal Gravitation is: Two bodies attracted to each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. This means that the further apart these two attracting bodies are from each other, the less the gravitational force between them is. The force of gravity depends on the product of the mass of the …showed first 75 words of 3063 total…

…showed last 75 words of 3063 total…our solar system. Valles Marinoris is a huge canyon on Mars that adds to the crater impression on the surface caused by many meteor impacts. The atmosphere on Mars is mostly carbon dioxide and it contains a troposphere, which rises to an altitude of about 30 km. It occasionally contains clouds of water and ice above the troposphere, which is called the stratosphere. Mars is also a planet with no detection of a magnetic field present.