Astronomy Review Part 1

Front

Why may have ancient cultures studied astronomy?

Back

For timekeeping purposes, for timing agriculture (planting and harvesting), for astrology or religion, for historical record keeping, all of the above.

Front

What is the name of the model of the universe that places the Sun at the center?

Back

Heliocentric Model.

Front

Who was the first American to orbit the Earth?

Back

John Glenn.

Front

What does the term 'Zodiac' refer to?

Back

A group of constellations lying near the ecliptic.

Front

What was the Ptolemaic model of the solar system?

Back

Geocentric.

Front

What is the primary purpose of a telescope in astronomy?

Back

To observe distant celestial objects.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates light and heat through nuclear fusion.

Front

What is the significance of the ecliptic plane?

Back

It is the plane of Earth's orbit around the Sun, where most planets' orbits lie.

Front

What is a light-year?

Back

A unit of distance that represents how far light travels in one year, approximately 5.88 trillion miles.

Front

What is the Big Bang Theory?

Back

The leading explanation for the origin of the universe, proposing it began from a singularity and has been expanding ever since.

Tags

NGSS.HS-ESS1-2