Light years, AU

The distance light can travel in one year is ______________

• 15,000 kilometers

• 1 light-year

• 15 Astronomical Units

• 6,000 miles

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NGSS.HS-PS4-3

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

• inches

• kilometers

• miles

• Astronomical units

One light year is equal to:

• 12 million million kilometres

• 9.5 million million kilometres

• 5.5 million million kilometres

• 9 million kilometres

What is the time taken for the light to travel between the Sun and Earth?

• 4 minutes

• 8 minutes

• 12 minutes

• 2 minutes

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NGSS.HS-PS4-1

Proxima Centauri is ______ light years away.

• 6.8

• 2.5

• 4.3

• 5.4

What galaxy do we live in?

• Andromeda

• Milky Way

• Solar System

• Parallax

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NGSS.MS-ESS1-2

How do we determine the distance of a star or galaxy?

• Parallax

• Luminosity (brightness)

• BOTH Parallax and Luminosity

An astronomical unit is...

• The average distance between the Earth and the Sun

• The average distance between the Sun and Neptune

• The diameter of the sun

• The time it takes light to travel across our solar system

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-3

This geometrically derived unit equals about 3.26 light years

• Astronomical Unit

• Light year

• Parsec

• Light second

c = 3x10⁸ m/s

• The speed of light

• The Boltzmann constant

• Coulomb's constant

• The universal gravitational constant

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-3

NGSS.HS-PS4-5