Astro 150 Trivia - 11/3/2023

Quiz
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Other
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University
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Hard

Jake Simon
Used 13+ times
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18 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which portion of the Milky Way houses the oldest stars?
Thin Disk
Thick Disk
Stellar Halo
Galactic Outskirts
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How much of our Galaxy's mass is made of dark matter?
20%
45%
70%
95%
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How do we know that 95% of the mass of the Milky Way is in the form of Dark Matter?
We detect dark matter directly
Stars appear to be orbiting at speeds higher than expected
Due to the speed which Andromeda is approaching the Milky Way
The escape velocity for satellites leaving the Milky Way is higher than expected
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of these is the rotation curve we really see?
The left one--the extra mass from dark matter leads to the rotation being slowed down
The right one--the extra mass from dark matter leads to the rotation being sped up
The left one--the stars orbit the Milky Way center the same way planets do
The right one--the stars orbit the Milky Way center the same way planets do
5.
CLASSIFICATION QUESTION
3 mins • 1 pt
Drag and drop the galaxies into their corresponding types.
Groups:
(a) Spiral
,
(b) Elliptical
,
(c) Irregular
,
(d) Barred Spiral
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What kind of galaxy is the Milky Way?
An elliptical galaxy
A spiral galaxy
We don't know
A barred spiral galaxy
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the Small and Large Magellanic Clouds?
Open Clusters
Globular Clusters
Dwarf Galaxies
Spiral Galaxies
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