Astronomy 2024 Fall Final reivew

What is the definition of the universe?

• The universe is a vast expanse of space that contains all of the matter and energy in existence.

• The universe is a small, isolated system with limited matter and energy.

• The universe is a theoretical concept with no physical existence.

• The universe is a collection of galaxies only.

Polaris is important because it is the North Star. Which constellation contains it?

• Orion

• Ursa minor

• Cassiopeia

• Scorpius

What are circumpolar constellations and how are they different from constellations such as Orion?

• Circumpolar constellations are visible all year round, unlike Orion which is seasonal.

• Circumpolar constellations are only visible in the southern hemisphere.

• Circumpolar constellations are only visible during the day.

• Circumpolar constellations are the same as seasonal constellations like Orion.

How much is the earth's axis tilted? What does earth’s axial tilt create?

• The earth's axis is tilted at 23.5 degrees, creating the seasons.

• The earth's axis is tilted at 15 degrees, creating the day and night cycle.

• The earth's axis is tilted at 30 degrees, creating the equinoxes.

• The earth's axis is tilted at 45 degrees, creating the lunar phases.

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a. What season is it in the northern hemisphere when it is tilted toward the sun? b. What season is it in the southern hemisphere at the same time?

• a. Summer in the northern hemisphere, Winter in the southern hemisphere

• b. Winter in the northern hemisphere, Summer in the southern hemisphere

• c. Spring in the northern hemisphere, Autumn in the southern hemisphere

• d. Autumn in the northern hemisphere, Spring in the southern hemisphere

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How much daylight and night is there during the Vernal & Autumnal equinoxes?

• 12 hours of daylight and 12 hours of night

• 10 hours of daylight and 14 hours of night

• 14 hours of daylight and 10 hours of night

• Equal daylight and night only at the poles

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How much daylight and night is there during the Summer and Winter solstices?

• Equal daylight and night

• More daylight in Summer, more night in Winter

• More night in Summer, more daylight in Winter

• Equal daylight and night in Winter, more daylight in Summer

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What does a New Moon look like?

• A fully illuminated circle

• A half-illuminated semicircle

• A completely dark circle

• A crescent shape

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What does a Full moon look like?

• A crescent shape

• A half circle

• A complete circle

• An irregular shape

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What are the moon phases in order starting with a new moon?

• New Moon, Waxing Crescent, First Quarter, Waxing Gibbous, Full Moon, Waning Gibbous, Last Quarter, Waning Crescent

• New Moon, First Quarter, Waxing Crescent, Full Moon, Waxing Gibbous, Last Quarter, Waning Crescent, Waning Gibbous

• New Moon, Waxing Crescent, Full Moon, First Quarter, Waxing Gibbous, Waning Crescent, Last Quarter, Waning Gibbous

• New Moon, Waxing Gibbous, First Quarter, Waxing Crescent, Full Moon, Waning Gibbous, Last Quarter, Waning Crescent

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