Astronomical Distances Formative Flashcard

Front

What is a light year?

Back

A light year is the distance that light travels in one year.

Front

How many meters are in 200 centimeters?

Back

200 centimeters is equal to 2 meters.

Front

What does AU stand for in astronomy?

Back

AU stands for Astronomical Unit, which is the distance between the Earth and the Sun.

Front

What do we measure with astronomical units?

Back

We use astronomical units to measure distances in our solar system.

Front

Why do we use light years and astronomical units in space measurements?

Back

We use light years and astronomical units because space is too big to use traditional units like meters.

Front

What is the speed of light?

Back

The speed of light is approximately 299,792 kilometers per second.

Front

How far does light travel in one year?

Back

Light travels about 9.46 trillion kilometers in one year.

Front

What is the distance from the Earth to the Sun in kilometers?

Back

The average distance from the Earth to the Sun is about 149.6 million kilometers.

Front

What is the purpose of using different units like light years and AU?

Back

Different units like light years and AU help scientists communicate and understand vast distances in space.

Front

What is the relationship between kilometers and miles?

Back

1 kilometer is approximately equal to 0.621371 miles.