The Universe, Galaxies, and Stars
Authored by Elizabeth Strange
Other Sciences
8th Grade
Used 772+ times
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23 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a major difference in the composition of elliptical and spiral galaxies?
Elliptical galaxies have almost no gas or dust between stars
Elliptical galaxies vary more in shape than spiral galaxies
Spiral galaxies have almost no gas or dust between stars
Spiral galaxies only contain old stars
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A supernova is the explosion of a dying:
medium-mass star
high-mass star
protostar
low-mass star
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
According to Hubble's law, the farther away a galaxy is:
the faster it is moving toward us
the slower it is moving toward us
the slower it is moving away from us
the faster it is moving away from us
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of star is the Sun?
Red giant
White dwarf
Red supergiant
Main sequence
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The HR diagram classifies stars based on their surface temperature and their:
color
diameter
distance from Earth
absolute brightness
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines if a star becomes a white dwarf, neutron star, or a black hole?
Its age
Its mass
Its brightness
Its temperature
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What color are the coolest stars?
blue-white
yellow
orange
red
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