Unit 02 Earth Space - Solar System

Front

Who formulated the three laws of motion and the law of universal gravitation?

Back

Isaac Newton

Front

What is the term for models of the solar system that place the Sun at the center?

Back

Heliocentric models

Front

What is the name of the early stage of a star's formation, often referred to as a 'star embryo'?

Back

Protostar

Front

What does the nebular hypothesis explain?

Back

The formation of the solar system from a rotating cloud of gas and dust.

Front

Which two planets in our solar system have atmospheres that are primarily composed of carbon dioxide?

Back

Venus and Mars

Front

What is the primary component of the Sun's composition?

Back

Hydrogen

Front

What is the significance of Kepler's laws in astronomy?

Back

They describe the motion of planets around the Sun.

Front

What is the difference between a terrestrial planet and a gas giant?

Back

Terrestrial planets are rocky and solid, while gas giants are composed mostly of gases.

Front

What is the main characteristic of a black hole?

Back

A region of space where the gravitational pull is so strong that nothing, not even light, can escape.

Front

What is the role of gravity in the formation of the solar system?

Back

Gravity caused the gas and dust in the nebula to collapse and form the Sun and planets.