Our Solar System and Beyond

What does the word 'ecliptic' mean?

A group of stars that form a pattern in the sky are known as a _____.

Asteroids orbit the Sun between ______ and ______.

Which are known as the outer planets?

How many spacecrafts have been launched to explore the Moon?

Scientists hypothesize that stars began their lives as

Pieces of rock made of minerals similar to those that formed rocky planets and moons are known as

Why can't a person see the entire Milky Way from Earth?

Which are known as the inner planets?

Saturn is the ______ planet from the Sun.

Which of the following is not a description of a comet?

Uranus rotates in which direction?

Which of the following planets spins backwards?

What type of galaxy is our Solar System?

The following planets are larger than Earth:

Why is Earth the only planet that can sustain a wide variety of life?

A ______ is the dark, cooler region of the photosphere on the Sun's surface.

If it takes inner planets ____ time to revolve around the Sun; planets farther away from the Sun take ____to revolve

Mars is often called the Red Planet. What causes its surface to appear red?

Which is true about Venus?

All of the inner planets are considered

The outer planets are classified as _______ planets.

As Earth is spinning around the Sun, it is also spinning on its axis. This is called the ______ of the Earth.

Which is not true about Mercury?

Which type of galaxies do these pictures represent?

Jupiter has the ______ day.

The distance from the Earth to the Sun is measured in a(n)

Earth's tilt and its revolution around the Sun causes

It takes Venus approximately _____ Earth ______ to orbit the Sun.

How many planets in our solar system have rings?