Universe and Galaxies

Front

What is the age and size of the universe compared to Earth's solar system?

Back

The universe is inferred to be older and larger than Earth's solar system.

Tags

NGSS.HS-ESS1-2

Front

What is the term used to describe a large system of stars, gas, and dust bound together by gravity?

Back

A galaxy.

Tags

NGSS.MS-ESS1-2

Front

What are two key pieces of evidence that support the Big Bang Theory?

Back

Red shift of light and cosmic background radiation.

Tags

NGSS.HS-ESS1-2

Front

Which form of electromagnetic energy has the longest wavelength?

Back

Radio waves.

Tags

NGSS.HS-PS4-1

Front

List the celestial objects in order from the smallest mass to the largest mass.

Back

Saturn, solar system, Milky Way, universe.

Front

What is the definition of a galaxy?

Back

A galaxy is a massive system that contains stars, stellar remnants, interstellar gas, dust, and dark matter, all bound together by gravity.

Tags

NGSS.MS-ESS1-2

Front

What does the red shift of light indicate in terms of the universe's expansion?

Back

The red shift of light indicates that objects in the universe are moving away from us, supporting the idea that the universe is expanding.

Tags

NGSS.HS-ESS1-2

Front

What is cosmic background radiation and why is it significant?

Back

Cosmic background radiation is the afterglow radiation from the Big Bang, providing evidence for the Big Bang Theory.

Tags

NGSS.HS-ESS1-2

Front

What are the main types of galaxies?

Back

The main types of galaxies are spiral, elliptical, and irregular.

Front

How does the mass of a galaxy compare to that of a solar system?

Back

A galaxy has a significantly larger mass than a solar system.