Understanding Cepheid Variables and RS Pup
Interactive Video
•
Physics
•
9th - 10th Grade
•
Practice Problem
•
Hard
Jennifer Brown
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the period of variability for the star RS Pup?
20 days
100 days
41 days
60 days
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do Cepheid variables help astronomers measure distances in the universe?
By their size
Using the period-luminosity relationship
Through their temperature
By their color
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes RS Pup particularly special among Cepheid variables?
It is near the tip of the period-luminosity relation
It is located in the northern hemisphere
It is the oldest known star
It is the closest star to Earth
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the mass of RS Pup compared to the Sun?
10 times more massive
20 times more massive
5 times more massive
15 times more massive
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What phenomenon allows for precise distance measurements of RS Pup?
Light echoes
Magnetic fields
Solar flares
Gravitational lensing
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