24-25 Unit 2 E&S Exam Study Guide

Front

What does BLUE SHIFT indicate about a galaxy?

Back

The galaxy is moving TOWARDS or TO us.

Tags

NGSS.HS-ESS1-2

Front

Which star has the lowest luminosity?

Back

Star D.

Front

What belief led to Galileo being placed under house arrest?

Back

Our solar system revolves around the sun (Heliocentric).

Front

What is Hubble's Law?

Back

The universe is expanding.

Tags

NGSS.HS-ESS1-2

Front

What are stars formed from big clouds of gas and dust called?

Back

Nebulae.

Front

What is the definition of luminosity in astronomy?

Back

Luminosity is the total amount of energy emitted by a star per unit time.

Tags

NGSS.HS-ESS1-1

Front

What is the significance of a galaxy's redshift?

Back

It indicates that the galaxy is moving away from us.

Tags

NGSS.HS-ESS1-2

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, often the birthplace of stars.

Front

What is the difference between a star and a planet?

Back

A star generates its own light through nuclear fusion, while a planet reflects light from a star.

Front

What is the main component of stars?

Back

Hydrogen is the main component of stars.

Tags

NGSS.HS-ESS1-1