Unit 2: The Celestial Sphere

Unit 2: The Celestial Sphere

Assessment

Flashcard

Science

11th Grade

Practice Problem

Hard

Created by

Amy Garner

FREE Resource

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25 questions

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1.

FLASHCARD QUESTION

Front

Zenith

Back

Point on the celestial sphere that is directly over our heads - 90° above the horizon.

2.

FLASHCARD QUESTION

Front

Nadir

Back

A point directly opposite from zenith - 90° below the horizon.

3.

FLASHCARD QUESTION

Front

Celestial Sphere

Back

An imaginary sphere surrounding the Earth used by astronomers to describe the location and movement of celestial objects.

4.

FLASHCARD QUESTION

Front

Vernal Equinox

Back

March 21 (in the northern hemisphere). Day and night are both 12 hours long.

5.

FLASHCARD QUESTION

Front

North Celestial Pole

Back

An extension of the Earth's north pole projected upon the celestial sphere. All constellations appear to rotate around this point in the northern hemisphere.

6.

FLASHCARD QUESTION

Front

South Celestial Pole

Back

An extension of the Earth's south pole projected upon the celestial sphere. All constellations appear to rotate around this point in the southern hemisphere.

7.

FLASHCARD QUESTION

Front

Celestial Equator

Back

An extension of the Earth's equator projected upon the celestial sphere.

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