Astronomy Test Review

Planets orbit the Sun in a shape called a(n)

• circle
• ellipse
• focus
• perihelion

Kepler's 2nd Law deals with 

• the shape of the planets' orbits
• the speed/area the planet travels 
• the length of time it takes the planet to orbit the sun

A group of stars who are only visible during certain seasons due to the revolution of the earth around the sun:

• astronomer

• seasonal constellations

• constellation

• moon

The Milky Way is the galaxy that contains our Solar System. The name is from its appearance as a dim "milky" glowing band arching across the night sky, in which the naked eye cannot distinguish individual stars.

• TRUE
• FALSE

A cloud of gas and dust from which bodies in space are formed

• photosphere
• nebula
• solar flare
• Sunspot

What is true about the area between points A, B and the Sun, and the area between points H, I and the Sun?

• The area between A, B and the Sun is the largest.
• The area between H, I and the Sun is the largest
• Both areas are equal in size
• There is not enough information to determine the areas

The amount of time it takes Earth to revolve around the sun is a 

• day
• 24 hrs
• month
• year

What are the reasons for the seasons?

• Earth's tilt and rotation.
• Earth's rotation and revolution.
• Earth's tilt and revolution.
• Earth's tilt and resolution

For a solar eclipse to occur, what has to happen?

• The sun must be directly between Earth and the moon.
• The moon must be directly between Earth and the Sun.
• Earth must be directly between the Sun and the moon.

Because the moon is so much closer than the sun, the moon's gravitational force is much stronger than that of the ___.

• sun

• earth

• moon

• sea