Planets
Stars
Astronomers
Telescopes
100

This planet has the hottest average temperature.

What is Venus?

100

These are the hottest, brightest stars in the universe.

What are Blue Giants?

100

This scientist made important contributions to astronomy.  He discovered Saturn's rings and Jupiter's four largest moons. He is remembered for standing up to the church and being arrested for defending his findings.

Who is Galileo?

100

This is a device used to look at far away objects.

What is a telescope?

200

This is the largest planet in the solar system.

What is Jupiter?

200

This is the closest star to Earth.

What is the sun?

200

This scientist developed a theory of gravity that explains the movement of planets around the sun.

Who is Isaac Newton?

200

This large telescope looks at space while flying around Earth.

What is a space telescope?

300

This "red planet" was named after the God of War.

What is Mars?

300

These stars are the coolest in the universe.

What are Red Giants?

300

This Polish astronomer proposed a heliocentric system in which the planets orbit the sun.

Who is Nicolaus Copernicus?

300

This first telescope used this to magnify light.

What is a lens?

400

This is the closet planet to the sun.

What is Mercury?

400

This is a huge ball of hot, bright gas in space.

What is a star?

400

In Ancient Greece, this astronomer and mathematician set up a model of the solar system in which the sun, stars, and other planets revolved around Earth.

Who is Claudius Ptolemy?

400

A reflective telescope uses this to magnify light.

What is a mirror?

500

This planet is known for its beautiful rings.

What is Saturn?

500

Our sun is this color.

What is yellow?

500

This German astronomer determined that the planets orbit the sun in an elliptical path as opposed to a circular orbit.

Who is Johannes Kepler?

500

This is the largest, most powerful space telescope ever built allowing astronomers to look at what the universe was like after the Big Bang.

What is the James Webb Space Telescope?