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Red

100

**A ___________________________________ is when one celestial body passes closely by another.**

What is a conjunction?

200

Using a ___________  ______________ at night helps you see without impacting your dark-adapted vision.

What is a red light?

300

• The _______________________ are the best winter meteor showers.

What are quadrantids?

400

• Total ____________ eclipses are far more common that total ___________ eclipses.

What is lunar? What is solar?

500

• ** The reason rainbows are colorful is because the water droplets split the sunlight into its constituent __________________________.**

What are wavelengths?

Blue

100

• A particularly bright meteor is called a “______________________.”

What is a fireball?

200

The human eye has two different types of light-detecting cells: _______________ and ____________.

What are rods and cones?

300

• A ________________________ __________________________ occurs when a planet passes by another celestial object three times in a row.

What is a triple conjunction?

400

As a general guideline, it takes about _____ minutes to dark adapt your eyes.

What is 30?

500

• **The only meteor shower known to be associated with an asteroid rather than a comet is the _______________________.**

What is the geminids?

Green

100

• **The term “_____________________________” refers to the bright streak in the sky. The rock causing the streak is called the “___________________________.” The rock that hits the earth’s surface is called a “___________________________.”**

What is meteor? What is meteoroid? What is meteorite?

200

Stars are named based on their ___________, and the _________________ in which they are found.

What is brightness and constellation?

300

• The visible trail that glows behind a bright meteor is called a “_____________________.”

What is a train?

400

• A meteor, sometimes called a “falling star”, is caused by a small bit of matter falling from space and burning up as it is __________________ by atmospheric resistance.

What is heated?

500

• The two meteor showers associated with Halley’s Comet are the _____________  _______________ and the ______________________.

What are the Eta Aquarids and Orionids?

Yellow

100

• ** An _________________________ is when one celestial object passes directly in front of another, blocking the background object from sight. **

What is an occultation?

200

• **Approximately every 33 years, the ________________________ produce a meteor storm.**

What are the Leonids?

300

• The __________________ method is a way to safely view the sun during a solar eclipse.

What is projection?

400

When looking at faint objects through a telescope, you must avoid looking ___________ at the object.

What is directly?

500

• Only ____________ eclipses are true eclipses, where we observe the shadow of one body falling on another.

What is lunar?

Orange

100

• **A “_________  __________________” is a rare occurrence where the sky appears to be raining meteors. **

What is a meteor storm?

200

• A ___________________ occurs when three or more objects come close together in the sky.

What is a massing?

300

• **A ____________________ ____________________ is caused by the reflection and refraction of sunlight off of ice crystals in thin, high cirrus clouds.**

What is a solar halo?

400

• **During a meteor shower, meteors will appear to move away from the same point in space. This point is called the “_________________.”**

What is radiant?

500

Polaris or the "____________  _________________" is the one star that doesn't move noticeably with the time of night or time of year. 

What is the North Star?