Astronomical Unit

Mercury's orbit is 57,900,000 kilometers (km), on average, away from the Sun. Convert that to Astronomical Units (AU). Show your work and cross out the units that cancel.

Tags

NGSS.MS-ESS1-3

Venus' orbit is 108,200,000 kilometers (km), on average, away from the Sun. Convert that to Astronomical Units (AU). Show your work and cross out the units that cancel.

A.U. =

• 1.5 x 10¹² km

• 9.5 x 10¹² km

• 1.5 x 10⁸ km

• 9.5 x 10⁸ km

Tags

NGSS.MS-ESS1-3

What is an astronomical unit (A.U.)?

• the time it takes light to travel one year

• the distance between the Earth and the Moon

• the distance between the Earth and the Sun

• the distance between the Earth and the Neptune

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

What do we use astronomical units to measure?

• distances in our solar system
  

• How far our solar system is from others in our galaxy.
  

• The distances between galaxies. 
  

• The distance from one side of the universe to the other. 

Tags

NGSS.MS-ESS1-3

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

• inches

• kilometers

• miles

• Astronomical units

Tags

NGSS.MS-ESS1-3

Astronomical Unit (AU)

• distance from Earth to Sun-used to measure distances within our solar system (ex. distance between Mars and Jupiter)

• distance light travels in one year-used to measure distances outside our solar system (ex. measuring distances between stars/galaxies)

• Theory of early astronomers. Earth is at the center of the universe. The sun and planets would revolve around the Earth.

• Sun is at the center of the solar system.

Tags

FL.SC.8.E.5.1

What is the average distance from the Earth to the Sun in Astronomical Units (AU)?

• 0.5 AU

• 1 AU

• 5 AU

• 10 AU

Tags

NGSS.MS-ESS1-3

Which of the following best describes an Astronomical Unit (AU)?

• The distance light travels in one year

• The average distance from the Earth to the Sun

• The distance from the Earth to the Moon

• The distance from the Sun to the nearest star

Tags

NGSS.MS-ESS1-3

If a planet is 4.5 AU from the Sun, how many kilometers is it approximately? (1 AU = 149,597,870.7 km)

• 673,190,418 km

• 598,391,482 km

• 1,347,380,432 km

• 2,000,000,000 km

Tags

NGSS.MS-ESS1-3