Astronomy Quiz

Orion is visible in the sky during winter in the Northern Hemisphere. Aquila is a constellation that is visible in the sky during summer in the Northern Hemisphere. Why are some constellations only visible during certain seasons?

• Constellations change when stars move closer to the Sun.

• Constellations change when stars move farther away from the Sun.

• The constellations seen from Earth change as Earth orbits around the Sun.

• The constellations seen from Earth change as Earth moves closer to the Sun.

The model shows the location of Earth during four seasons in the Northern Hemisphere. Based on this model, which statement best explains why Earth experiences seasons?

• Earth moves closer and farther away from the Sun.

• The Sun revolves around its axis at different speeds.

• The sunlight Earth receives changes strength due to the tilt in its axis.

• The sunlight the Sun produces changes strength due to its heat.

The object pictured is found in outer space. Which is true about the object?

• It is a planet because it has a round shape.

• It is an asteroid because it is rocky.

• It is a comet because it has a tail.

• It is a moon because it is small.

Which correctly describes the location of Earth in the Milky Way galaxy?

• Earth is located near the center of the galaxy.

• Earth is located near the outer edge of the galaxy.

• Earth is located on an arm of the galaxy.

• Earth is located on the tail of the galaxy.

The data table lists information about five galaxies. Which statement is correct about the Milky Way galaxy?

• The Milky Way galaxy is larger in size than the Triangulum galaxy.

• The Milky Way galaxy has more stars than the Andromeda galaxy.

• The Milky Way galaxy is larger than the IC 1101 galaxy.

• The Milky Way galaxy has fewer stars than the Large Magellanic Cloud galaxy.

Why do the size and shape of the Moon appear to change during a month?

• The Moon moves around Earth.

• Earth moves around the Moon.

• The Moon moves around the Sun.

• The Sun moves around Earth.

The table shows the distances from Earth and the relative sizes of three stars. All three stars have the same actual brightness. When viewed from Earth, the Sun appears brightest. Which star is the least bright when viewed from Earth, and why?

• Star 1 is the least bright because it is larger than star 2.

• Star 2 is the least bright because it is smaller than star 1.

• Star 2 is the least bright because it is closer to Earth than star 1.

• Star 1 is the least bright because it is farther from Earth than star 2.

The image and table show the relative sizes and distances of different stars from Earth. A student argues that the Sun appears brightest among the other stars listed. Which statement supports the student's argument?

• The Sun is the biggest star.

• The Sun is the closest star to Earth.

• The Sun emits less light than other stars.

• The Sun burns hot gases that make it brighter.

The diagram shows different types of galaxies (T-W). Which galaxy is most similar to the Milky Way, and why?

• Galaxy T; it has a spiral shape.

• Galaxy T; it has an elliptical shape.

• Galaxy U; it has a spiral shape.

• Galaxy U; it has an elliptical shape.

What is the main cause of daily change in tide levels on the Earth?

• the gravitational pull of the Sun on the Moon

• the gravitational pull of the Earth on the Moon

• the gravitational pull of the Earth on the Sun

• the gravitational pull of the Moon on the Earth