Universe
Star Characteristics
The Sun
Life Cycle of Stars
Constellations
100

These is a nuclear explosion that occur when star's gasses mix.

What is nova?

100

The warmest temperature stars have this color.

What is blue or blue-white?

100

The visible surface of the sun.

What is the photosphere?

100

 The sun become this after it uses up its hydrogen

What is a red giant?

100

This star never moves in the sky even when the earth spins.

What is Polaris?

200

These are star - like objects, farthest from Earth.

What are quasars?

200

Most stars belong to this category.

What is main sequence?

200

The most abundant element in the sun.

What is hydrogen?

200

This is the final stage of a star the size of the sun.

What is a black dwarf?

200

This famous winter constellation is called the Hunter.

What is Orion?

300

 This is observed with a spectroscope when galaxies are moving away from source.

What is red shift?

300

These are the smallest and very dense stars.

What are neutron stars?
300

These are cool spots on the sun.

What are sun spots?

300

An explosion by massive stars when H2 runs out.

What is a supernova?

300

The Big Dipper is part of this constellation.

What is Ursa Major or Big Bear?

400

A type of star system with exactly two stars.

What is binary? 

400

Brightness of a star as it appears from Earth.

What is the apparent magnitude?

400

This reaction is taking place in the core of the sun.

What is fusion?

400

The nursery for baby stars.

What is the nebula?

400

The fourth brightest object, part of Canus Major.

What is Sirious?

500

The Milky Way is this type of galaxy.

What is spiral?

500

This is the way scientist measure the distance of stars.  It involves measure the apparent shift of the stars.

What is parallax?

500

The lower atmosphere of the sun.

What is the chromosphere?

500

A neutron star that spins rapidly.

What is a pulsar?

500

What red star is found in Orion?

What is Betelgeuise?