Objects in Our Solar System Flashcard

Front

What is the Oort Cloud?

Back

The Oort Cloud is a theoretical region of icy objects located beyond Neptune, believed to be the source of long-period comets in our solar system.

Front

What shape are the orbits of the major planets in the solar system?

Back

The orbits of the major planets are mostly elliptical in shape.

Front

What are asteroids primarily made of?

Back

Asteroids are primarily made of rock.

Front

What are Gas Giants?

Back

Gas Giants are planets that have no solid surface and are composed mainly of gases such as hydrogen and helium.

Front

What are the two main physical characteristics used to classify planets?

Back

The two main physical characteristics used to classify planets are terrestrial/gaseous and inner/outer.

Front

What is a comet?

Back

A comet is a small celestial body made of ice, dust, and rocky material that, when passing close to the Sun, develops a glowing coma and tail.

Front

What is the difference between terrestrial planets and gas giants?

Back

Terrestrial planets have solid surfaces and are composed mainly of rock, while gas giants are composed mostly of gases and lack a solid surface.

Front

What is the Asteroid Belt?

Back

The Asteroid Belt is a region in space located between the orbits of Mars and Jupiter, where most of the solar system's asteroids are found.

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the solar system beyond Neptune, populated with small icy bodies, including dwarf planets like Pluto.

Front

What defines a planet's orbit?

Back

A planet's orbit is defined by its path around the Sun, which is influenced by gravitational forces.