Exoplanet Lab Review

Which of the following is the best definition of an exoplanet?

• A planet within our solar system
• A planet that is rocky
• A planet that is a gas giant
• A planet that revolves around a star not in our solar system.

How many planets are in our solar system?

• 10
• 7
• 8
• 15

What formed the rocky planets in our solar system?

• Water
• Heavy Elements
• Gases
• Metals

What formed the gas giants in our solar system?

• Hydrogen and Oxygen
• Nitrogen and Iron
• Hydrogen, Helium, & Metals
• Sodium and Chloride

Where do you scientists look when trying to identify if an exoplanet exists?

• Around our moon
• Around our sun
• Around a star in another solar system
• Around a telescope

What does it mean for a planet to be within a star's "habitable zone"?

• The planet has water
• The planet has high temperatures
• The planet can sustain life
• The planet is big

According to the lab, what is the one common ingredient to all life on Earth?

• Oxygen
• Nitrogen
• Iron
• Water

What is the average temperature on Earth?

• 75 degrees celsius
• 15 degrees celsius
• 75 degrees fahrenheit
• 15 degrees fahrenheit

What is an orbital distance?

• The distance a planet is away from its star.
• The distance a planet travels around a star.
• The distance from a planet to its moon.
• The distance a spaceship must travel to get to a planet.

What is an orbital period?

• The distance a planet is away from its star.
• The distance a planet travels around a star.
• The distance from a planet to its moon.
• The distance a spaceship must travel to get to a planet.