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WorksheetsGalaxies Review
Total questions: 36
Worksheet time: 23mins
What type of galaxy is this?
Spiral
Elliptical
Irregular
Lenticular
What type of galaxy is this?
Spiral
Elliptical
Irregular
Lenticular
What type of galaxy is this?
Spiral
Elliptical
Irregular
Lenticular
What galaxy do we live in?
Snickers
3 Muskateers
Mars
Milky Way
How old is the Milky Way Galaxy?
4.6 million years
4.6 billion years
13.7 million years
13.0 billion years
Galaxies are classified by their....
Size
Density
Brightness
Shape
Why do scientists classify data?
It keeps them busy
Helps them stay organized
They need something to do
Scientists like to enter numbers
Approximately how many stars does the Milky Way galaxy have?
100 billion stars
700 billion stars
1100 billion stars
1500 billion stars
Describe where our sun and solar system are located in the Milky Way galaxy
Directly in the center
We are outside the galaxy
We are at the end of one of the spiral arms
What shape is the Milky Way galaxy?
Spiral
Elliptical
Irregular
Lenticular
Why is it impossible to photograph the Milky Way galaxy?
Its too big
Its too far to travel
We dont have the technology to leave
All of these are reasons!
What is thought to be at the center of many galaxies?
Larger stars
blackholes
A massive planet
A smaller galaxy
A space telescope captures an image of billions of stars revolving around a central location. Which of the following best describes what the telescope has found?
a galaxy
a main sequence
a planetary nebula
a solar system
When two stars are orbiting one another it's called ___
an unary system
a binary system
a trinary system
a doublet system
Astronomers think that most stars are born in groups, called ___
assemblages
bundles
clusters
blobs
The Milky Way measures ____ light years in length/width.
26,000
1 million
1000
100 thousand
Figuring out what the Milky Way looks like is difficult because
we live outside of it.
it is impossible to send a space probe that far.
we live inside of it.
it is full of dark matter.
How far is it across the Milky Way Galaxy?
100 light years across
1,000 light years across
10,000 light years across
100,000 light years across
What type of galaxy is this
Spiral galaxy
Irregular galaxy
Elliptical galaxy
Lenticular galaxy
What type of galaxy is the milky way?
Lenticular galaxy
Irregular galaxy
Barred spiral galaxy
Elliptical galaxy
What is at or near the center of a galaxy?
earth
pulsars
solid planets
black holes
What type of Galaxy is this?
Elliptical
Spiral
Irregular
Lenticular
Spiral
Elliptical
Irregular
Lenticular
A Group of stars, and or star systems, dust and gas held together by gravity and isolated in space is known as:
Universe
Galaxy
Solar System
Planet
Irregular Galaxy
Elliptical Galaxy
Spiral Galaxy
Lenticular Galaxy
Elliptical Galaxy
Spiral Galaxy
Irregular Galaxy
Lenticular Galaxy
Spiral Galaxy
Irregular Galaxy
Elliptical Galaxy
Lenticular Galaxy
Planets, solar system, universe, galaxy
Solar system, planets, galaxy, universe
Planets, solar system, galaxy, universe
Galaxy, solar system, planets, universe
What are star clusters?
Dense groups of stars found at the center of galaxies
Groups of stars that are attracted to each other’s gravity
Groups of stars that formed by separating from the same massive star
Groups of stars that developed together from the same nebula
What type of galaxy has the youngest stars?
Spiral Galaxy
Irregular Galaxy
Elliptical Galaxy
Lenticular Galaxy
What type of galaxy has the oldest stars?
Spiral Galaxy
Irregular Galaxy
Elliptical Galaxy
Lenticular Galaxy
Supermassive black holes are thought to be in the center of our galaxy (the milky way)
true
false
