Unit 1: Astronomy Quiz

Our solar system has more than 60 moons.

• True
• False

Solar eclipses only happen every few hundred years on Earth.

• True
• False

The fact that all galaxies viewable from Earth are moving away from us is evidence that supports the Nebular Hypothesis.

• True
• False

The Moon and Sun's gravity have effects on the Earth.

• True
• False

An astronomical unit is the:

• distance from the Earth to the Moon
• distance from the Earth to the Sun
• distance light travels in one year
• distance from the Sun to the edge of the solar system

A ___ occurs when the Moon moves through Earth's shadow.

• solar eclipse
• lunar eclipse
• new moon
• neap tide

The model of the universe where the sun is at the center is called the ___.

• nebular hypothesis
• big bang theory
• geocentric model
• heliocentric model

Earth and our solar system are:

• older than the universe
• the same age as the universe
• younger than the universe

The average temperature of the planets:

• decreases as you move away from the sun
• has no relationship to the distance from the sun
• depends on the types of gases in the atmosphere of each planet
• increases as you move away from the sun

The length of a year gets ___ for each planet as you move away from the sun.

• longer
• shorter
• faster
• rotational