Astronomy Quiz 03

Which of the following correctly describes our solar system’s location in the Milky Way galaxy?

• The Solar System is about a quarter way out, between two spiral arms.

• The Solar System is about halfway out in a spiral arm.

• The Solar System is in the very end of the farthest spiral arm.

• The Solar System stretches across two spiral arms.

Answer explanation

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NGSS.MS-ESS1-2

Which of the following is considered to be the boundary of our solar system?

• Eris and Disnomia

• Pluto and Charon

• The Virgo Supercluster

• The Oort Cloud

Answer explanation

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NASA calls the Hubble Space Telescope an "orbiting observatory." What is the main advantage that an orbiting, or space-bound telescope, has over an earth-bound telescope?

• It does not need a power supply.

• It is less expensive to build.

• It is not affected by earth's atmosphere or weather.

• It does not require a focusing system.

Answer explanation

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What is believed to form the central core of our galaxy?

• a supernova

• a black hole

• a quasar

• a pulsar

Answer explanation

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NGSS.MS-ESS1-2

Which distance from Earth is the largest?

• to the center of the Milky Way galaxy

• to the Sun

• to the Orion arm

• to the Oort Cloud

Answer explanation

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Terrestrial (inner) planets move more rapidly in their orbits than the Jovian (outer) planets because terrestrial planets are:

• rotating on a tilted axis.

• more dense.

• more massive.

• closer to the Sun.

Answer explanation

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Early telescopes showed stars as only points of light, while the planets appeared to be much larger, providing evidence that stars must:

• be more plentiful in our solar system than planets.

• be much farther from Earth than planets.

• travel in elliptical orbits like planets.

• reflect much more light than planets.

Answer explanation

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The diagram shows the orbits of some of the objects that orbit the sun within our solar system. Object X in the diagram is most likely to be which type of astronomical object?

• planet

• moon

• comet

• star

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NGSS.MS-ESS1-3

What do the four planets closest to the Sun have in common?

• their solid, rocky surfaces

• their surface temperatures

• length of their days

• composition of their atmospheres

Answer explanation

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What causes Earth’s year to be shorter than Jupiter’s year?

• the mass and density of Jupiter

• the shape of Earth’s orbit around the Sun

• the gravitational pull of Jupiter’s moons

• the distance between Earth and the Sun

Answer explanation

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https://ck12.co/ZLlG

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NGSS.MS-ESS1-1