Stars and the Sun
Measuring Stars
Galaxies & the Universe
Star Life Cycle
Misc
100

This layer of the Sun is the visible surface.

What is the photosphere?

100

How bright a star appears from Earth.

What is apparent magnitude?

100

The Milky Way is this type of galaxy.

What is a spiral galaxy?

100

Stars form in these clouds of gas and dust.

What are nebulae?

100

This animal can sleep for up to 20 hours a day.

Cat

200

This process powers stars and makes them shine.

What is nuclear fusion?

200

How bright a star actually is.

What is absolute magnitude?

200

This type of galaxy is round and contains mostly older stars.

What is an elliptical galaxy?

200

A medium-sized star like the Sun will eventually become this.

What is a white dwarf?

200

This popular dessert is made from frozen sweetened cream.

Ice Cream

300

This part of the Sun has hot gas rising and cooler gas sinking.

What is the convection zone?

300

The tool scientists use to determine a star’s temperature and composition.

What is a spectrum?

300

This theory states the universe is expanding from a single point.

What is the Big Bang Theory?

300

A massive star explosion.

What is a supernova?

300

This planet is known as the “Red Planet.”

Mars

400

These dark spots on the Sun follow an ~11-year cycle.

What are sunspots?

400

This distance measurement equals about 3.3 light-years.

What is a parsec

400

The shift of light toward longer wavelengths showing galaxies are moving away.

What is redshift? (Doppler shift)

400

What very massive stars can become after a supernova.

What is a black hole?

400

This sport uses a bat, a ball, and four bases.

Baseball

500

The most important factor determining a star’s life and fate.

What is mass?

500

The average distance from Earth to the Sun.

What is 1 astronomical unit (AU)?

500

This makes up most of the mass of the universe.

What is dark matter?

500

The stage when a star runs out of hydrogen and leaves the main sequence.

What is the red giant phase?

500

This famous wizard is the main character in a book series by J.K. Rowling.

Harry Potter

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