What galaxy is our solar system in?

• Milky way
• milking way
• Milk way
• Milkie Weigh

What is a light year?

• The distance light travels in a year.
• A number of light bulbs we change in a year
• The speed at which light travels
• The brightness of the Sun at night time.

How long does it take for the Sun's light wave to hit the Earth?

• 8.5 Days
• 8.5 Minutes
• 8.5 Months
• 8.5 Years

Tags

NGSS.MS-ESS1-1

What is the speed of light?

• 300,000 km per second
• 300, 000 km per hour
• 300, 000 meter per second
• 300, 000 meters per hour

Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?

• 1 year
• 4.3 years
• 43 years
• 10 trillion years

Light Years are a measure of:

• time
• speed
• distance
• light

To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the -

• meter
• kilometer
• light year
• astronomical unit

Astronomers measure the distances to nearby stars by how background stars appear to move back & forth as the Earth orbits the Sun. This type of measurement is called ______

• red shift
• polaris
• blue shift
• parallax

How does stellar parallax depend on distance?

• the parallax does not depend on distance
• the farther the star, the smaller the parallax
• parallax is equal to 1/d, where d is the Earth to Sun distance
• the farther the star, the larger its parallax

Our cosmic address is....

• Sun, Mercury, Venus, Earth, Mars, Saturn, Uranus, Neptune
• Earth, Solar System, Milky Way, Local Group, Virgo Supercluster, Observable Universe
• Earth, Solar System, Andromeda Galaxy, Supergroup, Observable Universe
• Earth, Milky Way, Local Group, The Rolling Stones, Observable Universe