Astronomy Quiz

What did ancient astronomers notice about the stars in the sky?

• They changed colors frequently.

• They kept the same position relative to each other.

• They disappeared during the day.

• They were all the same size.

What did ancient astronomers call the unusual "stars" that moved among the constellations?

• Comets

• Asteroids

• Planets

• Moons

What is an astrolabe used for?

• To measure time

• To navigate the seas

• To measure the altitude of stars and planets

• To predict weather patterns

Who thought that the Earth was the center of the universe?

• Copernicus

• Galileo

• Ptolemy

• Newton

Who proposed that all planets orbit the Sun?

• Ptolemy

• Copernicus

• Aristotle

• Kepler

What shape do planets travel around the sun in, according to Johannes Kepler?

• Circular

• Elliptical

• Square

• Triangular

Who discovered that planets travel in an elliptical shape around the sun?

• Isaac Newton

• Galileo Galilei

• Johannes Kepler

• Albert Einstein

What is an ellipse?

• A perfectly round circle

• A symmetrically shaped oval

• A triangle with equal sides

• A square with rounded corners

What did Kepler discover about the planets?

• They are made of gas

• They travel in a straight line

• They travel in an elliptical shape

• They are stationary

What shape does every planet orbit the sun in, according to the first law?

• Circle

• Ellipse

• Square

• Triangle