Universe Study Guide

This shift in the absorption lines indicates that the star is moving _______.

• a. toward Earth

• b. away from Earth

• c. in an elliptical orbit around the Sun

• d. in a circular orbit around the Sun

Tags

NGSS.HS-ESS1-2

What is the density of Mars?

Tags

NGSS.MS-ESS1-3

What is the density of Saturn?

Tags

NGSS.MS-ESS1-3

What is the largest object in our Solar System?

• Sun

• Earth

• Neptune

• Pluto

Tags

NGSS.MS-ESS1-3

NGSS.MS-ESS1-1

Which sequence correctly shows the relative size of the eight planets of our solar system and Pluto?

• (1)

• (2)

Tags

NGSS.MS-ESS1-3

As the distance between two objects increases, the gravitational force ________________. This is an ________________ relationship.

Tags

NGSS.HS-PS2-4

List the three characteristics of stars:

Stars form when _______________ comes together.

• dust and ice

• ice and gas

• gas and dust

• water and dust

The coolest stars appear

• White

• Yellow

• Blue

• Red

Compared to the sun, a white dwarf star is

• hotter and larger

• hotter and smaller

• cooler and larger

• cooler and smaller