Technology & Stars Quiz Review

What kinds of technology have helped scientists learn about the Earth and its moon?

• space missions

• space probes

• telescopes

• all of these

Mars rovers use cameras and other equipment to collect information about Mars. The Mars rover named Curiosity is shown on the surface of Mars in the picture below. The Hubble telescope is a space telescope that can take pictures of distant objects. What information could be collected by a Mars rover but not by the Hubble telescope?

• what the surface of Mars looks like

• the size of Mars

• the size of the Universe

• what the rocks on Mars are made of

Compared to the other stars in the galaxy, the Sun is an average sized star. Why does the Sun appear larger than other stars?

• The Sun is dimmer than all of the other stars.

• The Sun is the farthest star from the Earth.

• The Sun is the closest star to the Earth.

• The Sun is colder than all of the other stars.

Huygens is a space probe that landed on a moon of Saturn, called Titan, in 2005. A picture of Huygens on Titan is shown below. While on Titan, Huygens used special equipment to collect information about the physical properties of Titan's surface and atmosphere. What is true about space probes, like Huygens, and space telescopes?

• Both space probes and space telescopes can only take pictures.

• Both space probes and space telescopes can collect pictures and other types of data.

• Space telescopes can only take pictures, but space probes can collect pictures and other types of data.

• Space probes can only take pictures, but space telescopes can collect pictures and other types of data.

Why do other stars appear so much dimmer than the Sun?

• All the other stars are much smaller than the Sun.

• The Sun is much hotter than all the other stars.

• All the other stars are much farther away from us than the Sun.

• The Sun is much brighter than all the other stars.

There are many billions of stars in the Universe. Some of these stars are much, much larger than the Sun. Why don't stars that are larger than the Sun completely light up the Earth's sky?

• These stars don't give off as much light as the Sun.

• These stars are much farther away than the Sun is.

• These stars are dark on the side that faces the Earth.

• These stars are colder than the Sun.

Which of the following statements about the Sun is true?

• The Sun is one of very few stars in the Universe.

• The Sun is the only star in the Universe.

• The Sun is the only source of light in the Universe.

• The Sun is one of many stars in the Universe.

Which of these is true about the size of the Sun?

• The Sun is much larger than Earth.

• The Sun is about the same size as Jupiter.

• The Sun is about the same size as Earth.

• The Sun is much smaller than Jupiter.

Many technological advances have helped people perform scientific studies. An important area of science that has been influenced by technology is space study. Without the invention of special equipment, much of what is known about space would not be known today. Which of the following inventions has contributed to the study of space?

• satellites

• space crafts

• telescopes

• all of these

How is the Sun different from all other stars?

• The Sun is hotter than all other stars.

• The Sun is brighter than all other stars.

• The Sun is closer to Earth than all other stars.

• The Sun is larger than all other stars.