What Term Best Describes How the Solar System Formed
Approximately 46 billion years ago the solar system was a cloud of dust and gas known as a solar nebula. Most of the collapsing mass collected in the center forming the Sun while the rest flattened into a protoplanetary disk out of which the planets moons asteroids and other small Solar System bodies formed. Pin On Progetti Sistema Solare 45 billion years 2. . They believe that this dust and gas began to collapse under the weight of its own gravity. Our solar system began forming about 46 billion years ago within a concentration of interstellar dust and hydrogen gas called a molecular cloud. The mass pulls down on the string as the students spin the tennis ball around the spool. All of us believe that the Solar System evolved from a giant cloud of dust and gas. The formation of the Solar System began about 46 billion years ago with the gravitational collapse of a small part of a giant molecular cloud. What force pulled the...