Solar System Flashcard

Solar System Flashcard

Assessment

Flashcard

Science

Professional Development

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is an Astronomical Unit (AU)?

Back

An Astronomical Unit (AU) is a standard unit of measurement used in astronomy to describe distances within our solar system, defined as the average distance from the Earth to the Sun, approximately 93 million miles or 150 million kilometers.

2.

FLASHCARD QUESTION

Front

What is the Kuiper Belt?

Back

The Kuiper Belt is a region of the solar system beyond the orbit of Neptune, populated with small icy bodies and is the point of origin for many comets.

3.

FLASHCARD QUESTION

Front

What is the Oort Cloud?

Back

The Oort Cloud is a theoretical cloud of predominantly icy objects that exist in the outermost reaches of the solar system, believed to be the source of long-period comets.

4.

FLASHCARD QUESTION

Front

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

Back

The distance from the Earth to the Sun is approximately 93 million miles.

5.

FLASHCARD QUESTION

Front

What is the age of our solar system?

Back

The solar system is approximately 4.6 billion years old.

6.

FLASHCARD QUESTION

Front

What is a light year?

Back

A light year is the distance that light travels in one year, approximately 5.88 trillion miles (9.46 trillion kilometers), used to measure astronomical distances.

7.

FLASHCARD QUESTION

Front

What is a parsec?

Back

A parsec is a unit of distance used in astronomy, equivalent to about 3.26 light years, used to measure distances to stars and galaxies.

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