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- 1. Multiple Choice
Are there other planets out there in the universe besides the ones in our solar system?
It depends on which country you are in.
Yes
No
Maybe
- 2. Multiple Choice
What is the problem with seeing planets orbiting other stars?
They are faint
They are sitting right on top of their parent star
They are really far away
All of these answers are correct
- 3. Multiple Choice
How can you discover planets outside of our solar system?
Directly
Indirectly
- 4. Multiple Choice
What is reflexive motion?
The bigger object of a pair of orbiting objects making a huge circle as the smaller objects gravity pulls on it.
The smaller object of a pair of orbiting objects makes no circle as the bigger objects gravity pulls on it.
The smaller object of a pair of orbiting objects making a small circle as the bigger objects gravity pulls on it.
The bigger object of a pair of orbiting objects making a small circle as the smaller objects gravity pulls on it.
- 5. Multiple Choice
The first planets that were discovered outside of our solar system were found orbiting what? And what year were they discovered?
A Red Giant in 1992
A pulsar in 1972
A pulsar in 1992
A Red Giant in 1972
- 6. Multiple Choice
What are planets outside our solar system officially called?
Ecoplanets
Exoplanets
Alien Worlds
Exoworlds
- 7. Multiple Choice
What was the name of the first Sun-like star to have an exoplanet discovered and what year was it discovered?
51 Peg in 1995
41 Peg in 1995
51 Peg in 1994
41 Peg in 1992
- 8. Multiple Choice
What is one way exoplanets are indirectly detected?
The Hubble Space Telescope
Infrared Waves
X-Rays
The doppler shift
- 9. Multiple Choice
What are large, short-period exoplanets called?
Big Hotties
Hot Jupiters
Hot Saturns
Hot Exoplanets
- 10. Multiple Choice
What is it called when a planet crosses directly in front of it's star?
a Hot Jupiter
an eclipse
a direct line
a transit
- 11. Multiple Choice
What is the name of the space telescope that was designed to search for exoplanets? And in what year was it launched?
Kepler in 1999
Exodetector in 2009
Kepler in 2009
Hubble in 1999
- 12. Multiple Choice
Have any exoplanets been seen directly and photographed?
Yes
No
- 13. Multiple Choice
How many exoplanets do scientists believe might there be in our galaxy?
Hundreds of millions
Hundreds of billions
Billions of billions
Millions of billions
- 14. Multiple Choice
How many earth-like exoplanets might there be in our galaxy?
1 billion
10 thousand
10 billion
10 million
- 15. Multiple Choice
What is the most successful way to discover exoplanets?
Transits
Spacecraft fly-bys
Direct pictures
Doppler Shift
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