Astronomy - Solar System - Final Review

Front

What does Kepler's first law of ellipses state?

Back

Orbits of planets are ellipses, but close to being circular.

Front

Which planet is the brightest in our sky?

Back

Venus because of its thick, reflective clouds.

Front

What is a characteristic of the outer planets?

Back

All have rings, are spaced widely apart, and have many moons compared to inner planets.

Front

What is NOT a characteristic of a planet?

Back

At least the size of Earth.

Front

What distinguishes a Dwarf Planet from a regular planet?

Back

Dwarf planets have untidy orbits - debris in orbital path.

Front

What is the main component of the solar system?

Back

The Sun, which is a star at the center of the solar system.

Front

What are the inner planets of the solar system?

Back

Mercury, Venus, Earth, and Mars.

Front

What are the outer planets of the solar system?

Back

Jupiter, Saturn, Uranus, and Neptune.

Front

What is the significance of the asteroid belt?

Back

It separates the inner planets from the outer planets.

Front

What is a comet?

Back

A small celestial body made of ice and dust that, when passing close to the Sun, develops a tail.