The Solar System and the Universe Review

When might 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 sample from a space object

What is found between the inner planets and the outer planets?

• asteroids

• comets

• moons

• stars

Tags

NGSS.MS-ESS1-3

The masses of objects in the solar system can be reported by comparing them to the mass of Earth. Which of these planets in the solar system most likely has a mass more than 300 times greater than the mass of Earth?

• Jupiter

• Mercury

• Mars

• Venus

Tags

NGSS.MS-ESS1-3

Which of the following planets has a large solid core?

• Jupiter

• Mercury

• Neptune

• Saturn

Li-Chen is creating a notebook with diagrams for each of the different kinds of galaxies. What label should Li-Chen use for the galaxy shown above?

• elliptical galaxy

• irregular galaxy

• barred spiral galaxy

• normal spiral galaxy

Some galaxies have symmetrical shapes. Other galaxies are not symmetrical. What term do astronomers use to describe a galaxy such as the one shown in the illustration?

• barred spiral galaxy

• elliptical galaxy

• irregular galaxy

• spiral galaxy

Each of the images below shows two stars of the same color. Which claim is supported by the evidence in the picture?

• F. The smaller star must be brighter.

• G. They must have the same temperature.

• H. The smaller star must be closer to Earth.

• I. Stars that are the same color are usually the same size.

All visible stars in the night sky are many times larger than Earth. What claim explains why they look like tiny points of light?

• A. They are moving very fast.

• B. The atmosphere blocks most of their light.

• C. The stars visible at night are located very far from Earth.

• D. Most of the light from stars is absorbed by galaxies, so it does not reach Earth.

What is a difference between a barred spiral galaxy and a normal spiral galaxy?

• the number of spiral arms

• the shape of the galaxy’s center

• the number of stars in the galaxy

• the colors of the stars in the galaxy

Which of these characteristics distinguishes the outer planets from the inner planets?

• The outer planets have many moons.

• The outer planets orbit in a different direction.

• The outer planets have higher densities.

• The outer planets have smaller diameters.