Types of Galaxies in Our Universe
Interactive Video
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Rebecca Keith
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many galaxies are estimated to exist in the cosmos?
10-20 billion
50-100 billion
100-200 billion
500-1000 billion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What force is primarily responsible for pulling clouds of dust and stars together to form galaxies?
Electromagnetism
Strong nuclear force
Weak nuclear force
Gravity
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of galaxy is the most common, accounting for 77% of all known galaxies?
Elliptical galaxies
Spiral galaxies
Irregular galaxies
Barred spiral galaxies
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a defining characteristic of spiral galaxies?
They have a distinct oval shape
They possess prominent spiral arms
They lack a distinct shape and often appear random
They are always larger than spiral galaxies
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of stars are typically found in elliptical galaxies?
younger, high-mass stars
A balanced mix of young and old stars
older, lower-mass stars
Stars that are still in the process of formation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a defining characteristic of irregular galaxies?
They have a distinct oval shape
They possess prominent spiral arms
They lack a distinct shape and often appear random
They are always larger than spiral galaxies
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