✅Astronomy Quizizz Review #1

The Sun is approximately ________ km away from the Earth, on average.

• a. 64 million
• b. 93 million
• c. 150 million
• d. 225 million

Tags

NGSS.MS-ESS1-3

The Oort Cloud is approximately 7,400,000,000,000 km from the Sun. How would you write that using scientific notation?

• a. 7.4 x 10^10
• b. 7.4 x 10^11
• c. 7.4 x 10^12
• d. 7.4 x 10^13

Tags

NGSS.MS-ESS1-3

The distance from the Earth to the Sun is also referred to as _________. Astronomers use this to measure distances in our own solar system.

• a. one light year
• b. one astronomical unit (AU)
• c. a BOP (billions of parsecs)
• d. "far out"

Tags

NGSS.MS-ESS1-3

A large asteroid is discovered in the far reaches of our solar system at approximately 6.75 x 10^9 km from the Sun. How many astronomical units (AUs) is the newly discovered space rock from the Sun?

• a. 35 AUs
• b. 45 AUs
• c. 50 AUs
• d. 55 AUs

Tags

NGSS.MS-ESS1-3

Approximately how long is a light year in km?

• 93 million
• 150 billion
• 6 trillion
• 9.5 trillion

A newly discovered dwarf galaxy is only 200 light years across. If you could travel at the speed of light, how long would it take you to travel across the galaxy and back?

• a. 200 light years
• b. 300 light years
• c. 400 light years
• d. The answer cannot be determined with the given information.

Tags

NGSS.MS-ESS1-3

What are constellations primarily made of?

• A) Planets
• B) Galaxies
• C) Stars
• D) Comets

How do stars and constellations appear to move in the sky throughout the year?

• A) Due to gravitational forces
• B) Due to atmospheric effects
• C) Because of the rotation of the Earth
• D) Because they physically change positions

How is celestial navigation still used today?

• A) Meteor showers are named after the constellation where the meteors appear to be coming from.
• B) By NASA astronauts as a backup in case modern navigation systems fail.
• C) By robotic spacecraft that use maps of the stars to find their way.
• D) All of the above.

Astronomers identify objects in the night sky according to the celestial sphere. Right Ascension (RA) is the equivalent of celestial __________.

• longitude

• latitude