How many times more massive is the hypothetical ninth planet compared to Earth?

• 15 times

• 10 times

• 20 times

• 5 times

Tags

NGSS.MS-ESS1-3

What was used to represent the sun in the scale model?

• A tennis ball

• A basketball

• A size five soccer ball

• A golf ball

What everyday object is used to represent Earth in the scale model?

• A pea

• A fleck of pepper

• A head of a pin

• A grain of salt

Tags

NGSS.MS-ESS1-3

How many football fields away from our soccer ball sun is Saturn?

• Nearly eight football fields

• Five football fields

• Two and a half football fields

• About 135 yards

Tags

NGSS.MS-ESS1-3

What does the size of a pea represent in the scale model?

• Earth

• Mars

• Uranus or Neptune

• Jupiter

Tags

NGSS.MS-ESS1-3

How far away is the hypothetical ninth planet from the sun in the scale model?

• 17.5 miles

• 5.5 hours of walking

• Both A and B

• 309 football fields

Tags

NGSS.MS-ESS1-3

What is the largest star known compared to our soccer ball size sun in the scale model?

• As large as a football field

• As big as a basketball

• As tall as the Empire State Building

• As tall as a skyscraper

Tags

NGSS.MS-ESS1-3

What was the risky action taken by astronomers with the Hubble telescope?

• Turning it off for maintenance

• Pointing it at the darkest patch of the night sky for 10 days

• Pointing it at the brightest star

• Using it to observe the sun

What does the Hubble telescope's deep field image primarily show?

• Single stars

• Galaxies with hundreds of billions of stars

• Planets in our solar system

• The surface of the moon

How does the narrator describe the chance of us being alone in the universe?

• Highly likely

• Infinitesimally small

• 50/50

• Unknown