What analogy is used to explain the concept of perspective in naming objects?

Understanding Quasars and Blazars

Interactive Video
•
Science, Physics
•
8th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A roll of toilet paper
A roll of tape
A cylinder of metal
A piece of string
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In astronomy, why can't we choose the angle from which we study objects?
Because they are too bright
Because objects are too far away
Because objects are too small
Because we lack the technology to move them
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are quasars and blazars examples of?
Active galaxy nuclei
Distant stars
Black holes
Supernovae
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main characteristic of active galaxy nuclei?
They have a massive black hole at the center
They are the dimmest objects in the universe
They do not emit any light
They are always visible from Earth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of an accretion disc in active galaxy nuclei?
To absorb energy
To create stars
To form a jet
To emit light
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes blazars appear different from quasars?
The angle at which we view them
Their color
Their distance from Earth
Their size
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon makes blazars appear brighter than they are?
Cosmic inflation
Doppler boosting
Redshift
Gravitational lensing
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