Star Systems and Patterns
Stellar Explosions and Clouds
Galaxy Basics
Types of Galaxies
Deep Space and Neighborhood
100
  • Clue: This is a double star system consisting of two stars orbiting each other.

What is a binary star system?

100

Clue: A giant cloud of gas and dust located in space.

Answer: What is a nebula?

100

These massive cosmic systems are considered the major features of the entire universe.

What are galaxies?

100
  • Clue: This galaxy type is shaped like a pinwheel with reaching arms.


Answer: What is a spiral galaxy?

100
  • Clue: The name of our home spiral galaxy.



    • Answer: What is the Milky Way?


200
  • Clue: A group of stars that forms a recognizable shape or pattern in the night sky.

What is a constellation?

200

A star that suddenly grows much brighter in a burst of light before gradually fading.

What is a nova?

200
  • Clue: This invisible force holds together stars, gas, dust, and dark matter in a galaxy.


Answer: What is gravity?

200

Clue: This galaxy type is oval-shaped with no arms and contains older, less active stars.


    • Answer: What is an elliptical galaxy?


200
  • Clue: The nickname given to the collection of large galaxies located closest to ours.


Answer: What is "The Local Neighborhood"?

300

In a binary star system, this event occurs when one star passes directly in front of another, temporarily dimming its light.

What is blocking out light / a stellar eclipse?

300

Nebulae can mark the location of brand-new stars forming or be left behind by these stars.

What are dying (or dead) stars?

300


  • Clue: The total number of primary galaxy shape classifications.


    • Answer: What is three (3)?


300
  • Clue: These galaxies have no definite shape and are the least common type in the universe.


Answer: What are irregular galaxies?

300
  • Clue: Along with the Milky Way and Triangulum, this massive spiral galaxy is part of our local group.


Answer: What is Andromeda?

400
  • Clue: The way light is blocked in a binary star system is most similar to these two earth-based astronomical events.



    • Answer: What are solar and lunar eclipses?


400

After a nova explodes and reaches its peak brightness, it eventually does this.


    • Answer: What is fades back to normal brightness?


400

Clue: Besides stars, gas, and dust, galaxies contain this mysterious unobserved substance.

Answer: What is dark matter?

400

Clue: Elliptical galaxies contain very little of these two ingredients compared to spiral galaxies.

Answer: What are dust and gas?

400


  • Clue: Name all three major galaxies that make up our "Local Neighborhood."

Answer: What are Andromeda, Milky Way, and Triangulum?

500
  • Clue: Explain why a binary star appears to change brightness from Earth.


Answer: What is because one star passes directly in front of the other, blocking its light from reaching Earth?

500

Clue: Name the two different life cycle stages of stars that can produce or exist within a nebula.

What are the birth of new stars and the remains of dying stars?

500
  • Clue: List all four main components held together by gravity to create a galaxy.


Answer: What are stars, gas, dust, and dark matter?

500

Clue: Contrast elliptical galaxies and spiral galaxies using two key differences.


    • Answer: What is spiral galaxies have pinwheel arms and active star creation, while elliptical galaxies are oval, armless, older, and have very little gas or dust?


500
  • Clue: Describe the shape and classification of the galaxy we live in.


Answer: What is a spiral galaxy shaped like a pinwheel with reaching arms?