Astronomical Unit and Light Years

Which unit of measurement is used to measure distances within our solar system?

• inches

• kilometers

• miles

• Astronomical units

Tags

NGSS.MS-ESS1-3

The average distance between the earth and the sun is the 

• astronomical unit 

• Light year

Tags

NGSS.MS-ESS1-3

The distance light can travel in one year is ______________

• 15,000 kilometers

• 1 light-year

• 15 Astronomical Units

• 6,000 miles

Light year is a unit of _?_.

• time

• distance

• brightness

• heat

What units would you use to measure the diameter of a planet?

• Light Years

• Astronomical Units

• Kilometers

• Centimeters

Tags

NGSS.MS-ESS1-3

What unit of measurement is used to calculate distance in our universe?

• astronomical units

• kilometers

• light years

• parsecs

One light year is equal to:

• 12 million million kilometres

• 9.5 million million kilometres

• 5.5 million million kilometres

• 9 million kilometres

Tags

NGSS.MS-ESS1-3

Scientists use the light-year to describe the relationships between objects in space. What does a light-year measure?

• the distance that light can travel in one year

• the brightness of light that travels through space

• the number of years it takes light to travel to Earth

• the time it takes light to travel 1 million km

What is the distance of Andromeda Galaxy measured from the Earth?

• 1.7 million light years

• 2.2 million light years

• 28 million light years

Which unit is commonly used to measure distances between stars?

• Astronomical Unit

• Light Year

• Kilometer

• Mile