Review: Introduction to Astronomy

What does a light year measure?

• time

• distance

• area

Which of the following correctly describes an asteroid?

• Asteroids are pieces of the moons orbiting Jupiter.

• Asteroids are celestial objects that melt when they are near the Sun.

• Asteroids are space rocks mostly located between the orbits of Mars and Jupiter.

• Asteroids are snowballs made of water, dust, and gas.

Which of the following has a positive charge?

• proton

• electron

• neutron

Which of the following is the name of a galaxy?

• Andromeda

• Jupiter

• Orion

• Gemini

The most common state of matter, making up more than 99% of the visible universe

(a)  

How many spiral arms does the Milky Way have?

• 2

• 3

• 4

• 5

What are the constellations that lie along the ecliptic called?

• ecliptic constellations

• circumpolar constellations

• zodiac constellations

• solar constellations

The point directly above the head of an observer.

• zenith

• ecliptic

• horizon

• azimuth

The branch of astronomy where scientists measure distances to nearby galaxies

• cosmology

• astrophysics

• astrogeology

• astrometry

What is in the sky?

• meteor

• comet

• asteroid

• moon

Tags

NGSS.MS-ESS1-1