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

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

How can you discover planets outside of our solar system?

• Directly

• Indirectly

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.

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

What are planets outside our solar system officially called?

• Ecoplanets

• Exoplanets

• Alien Worlds

• Exoworlds

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

What is one way exoplanets are indirectly detected?

• The Hubble Space Telescope

• Infrared Waves

• X-Rays

• The doppler shift

What are large, short-period exoplanets called?

• Big Hotties

• Hot Jupiters

• Hot Saturns

• Hot Exoplanets

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