Solar System Objects Data Table

What does the period of revolution represent in the context of a celestial body in our solar system?

• The period of revolution represents the time it takes for a celestial body to complete one orbit around the Sun.

• The period of revolution represents the time it takes for a celestial body to rotate once on its axis.

• The period of revolution represents the distance between a celestial body and the Sun.

• The period of revolution represents the speed at which a celestial body travels through space.

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NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the period of rotation of a planet?

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NGSS.MS-ESS2-6

According to Kepler's first law, what shape do planets orbit the Sun in?

• Perfect circles

• Ellipses

• Squares

• Triangles

What is the formula for calculating the eccentricity of an orbit?

• Eccentricity = distance between foci (cm) / length of major axis (cm)

• Eccentricity = length of minor axis (cm) / distance between foci (cm)

• Eccentricity = length of major axis (cm) / length of minor axis (cm)

• Eccentricity = distance between foci (cm) / length of minor axis (cm)

True or False: A perfectly circular orbit has an eccentricity of 1.

• True

• False

What is the major axis of an ellipse?

What is the equatorial diameter of a celestial body?

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NGSS.MS-ESS1-3

What does axial tilt refer to?

• Axial tilt refers to the angle between a celestial body's rotational axis and its orbital plane around the Sun.

• Axial tilt refers to the speed at which a planet rotates on its axis.

• Axial tilt refers to the distance between a planet and the Sun.

• Axial tilt refers to the shape of a planet's orbit around the Sun.

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NGSS.MS-ESS1-1

Based on the diagram, how does the orbit of Halley's Comet compare to the orbits of the planets?

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NGSS.MS-ESS1-3

What is the Period of Revolution of Venus?

• About 225 Earth days

• About 365 Earth days

• About 687 Earth days

• About 88 Earth days

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NGSS.MS-ESS1-3