Technology & Stars

What is the main reason astronomers use large telescopes?

• They have a bigger field of view and larger magnification.

• They gather more light.

• They require less maintenance.

Scientists have sent rovers to different areas of space to take pictures. What is the benefit of sending rovers into space?

• Rovers can get much more detailed pictures of objects in space.

• Rovers are less expensive to maintain than telescopes.

• Rovers are better for viewing larger areas of space at once.

Why are so many more stars discovered by astronomers today than hundreds of years ago?

• Many stars were listed as asteroids hundreds of years ago.

• Many more stars have formed over the last few hundred years.

• Astronomers today have telescopes that allow them to see more stars.

Which is NOT a way telescopes provide information to scientists?

• Telescopes give scientists the ability to see new planets and asteroids.

• Telescopes allow scientists to talk to other forms of life in the solar system.

• Telescopes give scientists the ability to view mountains and craters on the Moon.

• Telescopes allow scientists to determine the Sun is the center of the solar system.

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Many different technologies have been invented to help improve one's knowledge of the universe. Which of the following advancements made it possible for human beings to travel into space?

• telescopes

• rovers

• satellites

• Apollo 11 shuttle

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Tools have been created, used, and improved upon to help humans observe different things in nature from Earth. Which tool would a scientist use if they wanted to study a star?

• microscope

• magnifying glass

• binoculars

• telescope

Stars appear to be different colors based on

• the size of the stars.

• the temperature of the stars.

• how close they are to Earth.

• the constellation they are part of.

Willie and his family are outside viewing the night sky. The night is dark, and thousands of stars are visible. Willie's little sister asks him what a star is.

What is the best answer Willie could give?

• Stars are large balls of burning gases.

• Stars are asteroids that orbit the Sun.

• Stars are distant planets that reflect the light of the Sun.

• Stars are glowing particles trapped in Earth's atmosphere.

The Sun is the star that gives energy to Earth. Why does Earth not get energy from other stars?

• Other stars are too big.

• Other stars are too small.

• Other stars are too close to Earth.

• Other stars are too far away from Earth.

Pick the two sentences that will be true if a star is close to Earth.

• The star will look bigger than other stars.

• The star will twinkle less than other stars.

• The star will look brighter than other stars.

• The star will be a different color than other stars.

• The star will be in more constellations than other stars.