Astronomy 101
Characteristics of Stars
Lives of Stars
Star Systems & Galaxies
The Expanding Universe
100

ROYGBIV is the acronym for this.

What is the visible spectrum

100

An imaginary pattern or figure of stars.

What is a constellation?

100
All stars begin as this.
What is a nebula.
100

Two or more stars are know as

What is a star system?

100

The theory of how the universe formed.

What is the big bang?

200

This is the longest waves for this type of electromagnetic radiation. 

What is radio waves?

200
Name three characteristics used to classify stars.
What is color, temperature, size, composition, and brightness.
200
What determines how long a star will exist?
What is its mass. Stars will more mass live shorter than stars with less mass.
200

A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.

What is a galaxy?

200

When an object is moving away from us, like the galaxies, the light from the object is known as this

What is redshifted?

300
Astronomers use this tool to plot stars according to its color, size and luminosity.

What is the HR Diagram?

300

(Daily Double) To determine the chemical composition of a star.

What is a spectrograph?

300
What happens when a star runs out of fuel?
What is it becomes a white dwarf, a neutron star, or a black hole.
300

Describe the three types of galaxies.

What is spiral (pinwheel), elliptical (flattened ball) and irregular (no regular shape)?

300

(Daily Double) This is the two pieces of evidence that supports the Big Bang theory.

What is Hubble's law, the observation that the farther away a galaxy is, he faster it is moving away from Earth, and cosmic background radiation, which is radiation left over from the big bang?


400

This is how a star produce its energy.

What is nuclear fusion?

400

The brightness of a star if it were at a standard distance from Earth?

What is absolute magnitude?
400

The Sun will become this when it runs out of its fuel.

What is a white dwarf?

400

This is the name of our galaxy.

What is the Milky Way?

400

What do scientists conclude about the future of the universe?

What is it will likely expand forever?

500

From largest to smallest they are: Universe, galaxy, solar system, planets

What is the hierarchy order of the universe?

500

What is a light year?

The distance light travels in one year.

500

A massive star life will end as one of these celestial objects.

What is a neutron star or black hole?

500

Two stars orbiting around each other.

What is a binary star?

500
These are the two most abundant gas in the universe.

What is hydrogen and helium?