Exoplanets: What Is Beyond our Solar System?

What are exoplanets?

• Planets within our solar system

• Planets outside our solar system

• Stars outside our solar system

• Moons within our solar system

Exoplanets are planets that are found ______ our solar system.

• within

• outside

• above

• below

What is an exoplanet?

• A planet within our solar system

• A planet located outside our solar system

• A star

• A moon

A solar system is the area of the star’s ________ influence.

• Magnetic

• Gravitational

• Thermal

• Electrical

For how many years have we been able to detect exoplanets?

• 10 years

• 15 years

• 25 years

• 50 years

How long has the existence of exoplanets been debated?

• 1,000 years

• 2,000 years

• 3,000 years

• 4,000 years

Fill in the blank: A student of Democritus in 460 BC said, 'It seems absurd that in a large field only one stalk should grow, and that in an infinite space only one _____ exists.'

• planet

• world

• star

• galaxy

When were the first two exoplanets discovered?

• 1985

• 1990

• 1992

• 1995

Telescopes with the resolution to detect exoplanets did not exist before the _____.

• 1980s

• 1990s

• 2000s

• 2010s

Which of the following is a method to detect an exoplanet?

• Transit Method

• Gravitational Waves

• Cosmic Microwave Background

• Dark Matter Mapping