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Galaxies Flashcards | StudBud
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Galaxies
Galaxies
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Review questions about astronomical structures beyond our solar system.
Flashcards
24 cards
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Questions
24
Answers
1
Besides stars, which of the following can be found in a typical galaxy?
black holes
all of these
gas and dust
planets
2
The explosion that occurred at the origin of the Universe is called
the Big Bomb.
the Bodacious Blammo.
the Big Bang.
the Big Boom.
3
Which of the following is NOT one of the types of galaxies that we talked about in class?
elliptical
regular
spiral
irregular
4
What is the basis for designating different types of galaxies?
color
shape
temperature
brightness
5
There is a supermassive black hole at the center of most galaxies.
True
False
6
What force holds the stars in a galaxy together?
magnetism
inertia
friction
gravity
7
The light from a galaxy that is moving toward us will experience redshift.
True
False
8
The Milky Way and Andromeda galaxies are expected to collide within your lifetime (the next 75 years).
False
True
9
The light from a galaxy that is moving away from us will experience redshift.
True
False
10
The light from a galaxy that is moving toward us will experience blueshift.
True
False
11
Black holes are only found at the center of galaxies.
False
True
12
Which other spiral galaxy is closest to the Milky Way?
Serpico
Virgo
Gemini
Andromeda
13
Black holes can form when a massive star collapses in on itself.
True
False
14
Which of the following terms defines a cluster or group of billions of stars?
black hole
planet
galaxy
asteroid
15
The light from a galaxy that is moving away from us will experience blueshift.
True
False
16
Elliptical galaxies are made up of the oldest stars with very little gas and dust.
False
True
17
What's the name of the galaxy that we live in?
Virgo
Andromeda
The Milky Way
The Seven Sisters
18
About how old do scientists believe the Universe to be?
14 trillion years (14,000,000,000,000)
14 thousand years (14,000)
14 million years (14,000,000)
14 billion years (14,000,000,000)
19
The gravity from a black hole is so strong that not even light can escape it.
False
True
20
Around 90% of the mass of a galaxy is represented by invisible dark matter.
True
False
21
What is the term we use to describe an exploding star?
shooting star
meteor
asteroid
supernova
22
The Milky Way and Andromeda galaxies are on a collision course.
True
False
23
Spiral galaxies are made up of middle-aged stars with a medium amount of gas and dust.
True
False
24
Irregular galaxies contain very old stars and very little gas and dust.
False
True
