This layer of the Sun is the visible surface.
What is the photosphere?
How bright a star appears from Earth.
What is apparent magnitude?
The Milky Way is this type of galaxy.
What is a spiral galaxy?
Stars form in these clouds of gas and dust.
What are nebulae?
This animal can sleep for up to 20 hours a day.
Cat
This process powers stars and makes them shine.
What is nuclear fusion?
How bright a star actually is.
What is absolute magnitude?
This type of galaxy is round and contains mostly older stars.
What is an elliptical galaxy?
A medium-sized star like the Sun will eventually become this.
What is a white dwarf?
This popular dessert is made from frozen sweetened cream.
Ice Cream
This part of the Sun has hot gas rising and cooler gas sinking.
What is the convection zone?
The tool scientists use to determine a star’s temperature and composition.
What is a spectrum?
This theory states the universe is expanding from a single point.
What is the Big Bang Theory?
A massive star explosion.
What is a supernova?
This planet is known as the “Red Planet.”
Mars
These dark spots on the Sun follow an ~11-year cycle.
What are sunspots?
This distance measurement equals about 3.3 light-years.
What is a parsec
The shift of light toward longer wavelengths showing galaxies are moving away.
What is redshift? (Doppler shift)
What very massive stars can become after a supernova.
What is a black hole?
This sport uses a bat, a ball, and four bases.
Baseball
The most important factor determining a star’s life and fate.
What is mass?
The average distance from Earth to the Sun.
What is 1 astronomical unit (AU)?
This makes up most of the mass of the universe.
What is dark matter?
The stage when a star runs out of hydrogen and leaves the main sequence.
What is the red giant phase?
This famous wizard is the main character in a book series by J.K. Rowling.
Harry Potter