Astronomy - Solar System - Final Review

Front

What is the Cassini-Huygens mission?

Back

A space mission that studied Saturn and its moons, including the landing of the Huygens probe on Titan.

Front

What do Newton's Laws of Motion explain about planetary movement?

Back

They explain why planets move the way they do, including their orbits around the Sun.

Front

What is Kepler's First Law of Planetary Motion?

Back

Planets move in elliptical orbits with the Sun at one focus.

Front

What is the significance of the Copernican model?

Back

It proposed that the Sun is at the center of the solar system, challenging the geocentric model.

Front

What are the inner planets?

Back

Mercury, Venus, Earth, and Mars; they are rocky and denser than outer planets.

Front

What are the outer planets?

Back

Jupiter, Saturn, Uranus, and Neptune; they are gas giants and less dense than inner planets.

Front

What does Kepler's Second Law state?

Back

A line segment joining a planet and the Sun sweeps out equal areas during equal intervals of time.

Front

What is the difference between mass and weight in the context of planets?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is the role of gravity in planetary motion?

Back

Gravity is the force that keeps planets in orbit around the Sun.

Front

What is the significance of the Hubble Space Telescope?

Back

It has provided deep space images and data, enhancing our understanding of the universe.