The Solar System 60Q

What is the universe?

• A planet in our solar system

• A place of endless size in which everything exists

• A star in the galaxy

• A type of galaxy

According to the Heliocentric or Sun-Centered Theory, what is at the center of the solar system?

• The Earth

• The sun

• The moon

• A black hole

What did early astronomers assume about the movement of stars?

• Stars moved around the Earth.

• Stars were stationary.

• Stars moved in random patterns.

• Stars moved around the sun.

How are stars and planets different?

• Stars produce light and planets only reflect the light from stars, they do not produce light themselves.

• Stars and planets both produce their own light.

• Planets produce light and stars reflect it.

• Stars and planets neither produce nor reflect light.

What is one function of optical telescopes?

• Magnify light from faint, distant objects so they are visible.

• Detect sound waves from distant objects.

• Measure the weight of distant objects.

• Capture images of objects on Earth.

What is a role of artificial satellites in space exploration?

• Orbit a planet and gather information about it.

• Travel to the center of the Earth.

• Measure the temperature of the ocean.

• Capture images of wildlife.

How does the force of gravity change with distance?

• It increases as distance increases

• It decreases as distance increases

• It remains constant regardless of distance

• It only affects objects at a fixed distance

What effect does gravity have on objects in space?

• It pushes them away from each other

• It keeps them in orbit

• It makes them stationary

• It has no effect on them

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What is the first step in the formation of the solar system?

• The remaining matter combined to form a large orbiting disk.

• Gravity began to pull from the center of a swirling cloud of gas called a nebula.

• Most matter formed into a huge sphere of hot gases, called the sun.

• Eventually, large spheres formed that orbited a central sun.

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What is the measure of time it takes for one revolution around the sun?

• Day

• Month

• Year

• Hour

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