Solar System

Telescopes are useful tools for observing objects in our Solar System. When would you use a telescope?

• to see more detail about a small area of the sky

• to predict the position of a star

• to determine the thickness of a planet's core

• to collect a smaple from a space object

Planets are either inner or outer planets. What is between the inner and outer planets?

• comets

• asteroids

• moons

• stars

Which of the following most likely has a mass more than 300 times great than Earth?

• Jupiter

• Mercury

• Mars

• Venus

Tags

NGSS.MS-ESS1-3

Which of the following planets has a large solid core?

• Jupiter

• Mercury

• Neptune

• Saturn

Which type of galaxy has a roundish shape?

• elliptical

• irregular

• barred spiral

• normal spiral

What do astronomers use to describe a galaxy that is not symmetrical?

• barred spiral

• elliptical

• irregular

• spiral

Elliptical galaxies are brightest toward the center. What is the best explanation of this?

• The stars are evenly distributed

• The center is crowded with stars

• Most of the stars are near the outside

• The stars are spread throughout the galaxy in bands

In order for stars to have the same color they must.....

• have the smaller star be brighter

• they must have the same temperature

• the smaller star must be closer to Earth

• they must be the same size

Why do stars look small from Earth?

• they are moving very fast

• the atmosphere blocks most of their light

• the stars are located very far from Earth

• most of the light from stars is absorbed by galaxies

The sun is very important to humans. Why is it more important than other stars?

• the sun is very large, unlike other stars

• the sun is the hottest

• the sun is the right color

• the sun is very close to Earth