Solar System

Which of the following planets is similar to Uranus in terms of size and mass?

Which of the following make it possible for earth to support life?

Which of the following planets do scientists NOT consider a major planet?

The least dense planet in the Solar System is

The early oceans became salty when

Neptune's Great Dark Spot is called?

The right combination of temperature, water, and oxygen

About 99% of all matter contained in the solar nebula now exists in

The process responsible for forming Earth's early atmosphere

Which inner planets have almost the same size, mass, and density

Which planets show evidence of heavy volcanic activity?

Small bodies that orbit planets are called

Who believed that planets moved in epicycles as they revolved in larger circles around Earth?

Known for its rings and bands, the least dense planet

The law that describes how a planet orbits the sun is called the

Which two planets have, ongoing storms called, the Great Red Spot and the Great Dark Spot?

The degree of elongation of an elliptical

The tendency of a stationary body to remain at rest unless acted upon by an outside source

The force that exists between any two bodies in the universe?

Planets characterized by solid rock with metallic cores, zero to two moons, and impact craters