Planet Hunters

What is the primary method used by scientists to search for life in the universe?

• Exploring asteroids for signs of life

• Detecting radio signals from space

• Finding stars similar to our sun

• Looking for planets with liquid water

How do planets cause their parent stars to wobble?

• Through atmospheric changes

• Through their gravitational pull

• By emitting strong magnetic fields

• By reflecting sunlight

What is a transit in the context of planet detection?

• A star moving closer to Earth

• A planet moving away from its star

• A star changing its brightness

• A planet passing in front of its star

What are exoplanets primarily made of?

• Liquid water

• Ice and dust

• Gas like Jupiter

• Rock and metal

What is required to determine if an exoplanet can support life?

• Advanced space probes

• Sensitive telescopes

• High-powered lasers

• Robotic landers