Star Systems & Clusters
Galaxies
More about Stars & Galaxies
Potpourri
100
star systems that have two stars
What are binary stars
100
a huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
What is a galaxy
100
New stars tend to form here in spiral galaxies
What is in the arms
100
the prefix means two
What is the prefix bi
200
a system in which one star blocks the light from another star at regular intervals
What is an eclipsing binary star
200
spiral, elliptical, and irregular
What are types of galaxies
200
The arms of spiral galaxies contain a lot of these 2 items.
What are gas and dust
200
it causes the brighter star to wobble
What is the dim star's gravity
300
A cluster containing large groupings of older stars
What is a globular cluster
300
looks like a round flattened sphere
What is an elliptical galaxy
300
These are active, young galaxies
What are Quasars
300
This galaxy type:


is small

has many bright, young stars

has LOTS of gas and dust

does not have a regular shape

What is an irregular galaxy
400
a cluster containing no more than a few thousand stars
What is an open cluster
400
does not have a regular shape
What is an irregular galaxy
400
Our own Milky Way galaxy is this type of galaxy
What is a spiral galaxy
400
This is located at the center of a quasar
What is a black hole
500
would be hard to detect due to its low gravitational effect on the star it orbits
What is a small planet
500
word that means "something like"
What is quasi
500
This type of galaxy has a lot of old stars
What is an Elliptical galaxy
500
This is a quasi-stellar object
What is a quasar
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