Kepler's Planetary Laws

Front

What is Kepler's First Law of Planetary Motion?

Back

Planets move in elliptical orbits with the Sun at one focus.

Tags

NGSS.HS-ESS1-4

Front

What does Kepler's Second Law state about a planet's speed?

Back

A planet's orbital speed increases as it gets closer to the Sun and decreases as it moves away.

Tags

NGSS.HS-ESS1-4

Front

Define 'foci' in the context of an ellipse.

Back

Foci are the two fixed points in an ellipse around which the shape is defined.

Front

What happens to a planet's speed as it approaches the Sun?

Back

The speed increases.

Tags

NGSS.HS-ESS1-4

Front

What is the shape of a planet's orbit according to Kepler's laws?

Back

Elliptical.

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NGSS.HS-ESS1-4

Front

What is the relationship between the areas swept by a planet in its orbit?

Back

The areas swept out by a planet in equal time intervals are equal.

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NGSS.HS-ESS1-4

Front

What is the term for the point in a planet's orbit farthest from the Sun?

Back

Aphelion.

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NGSS.HS-ESS1-4

Front

What is the term for the point in a planet's orbit closest to the Sun?

Back

Perihelion.

Tags

NGSS.HS-ESS1-4

Front

According to Kepler's laws, how does the distance from the Sun affect a planet's orbital speed?

Back

The speed decreases as the distance from the Sun increases.

Tags

NGSS.HS-ESS1-4

Front

What is the significance of Kepler's laws in astronomy?

Back

They describe the motion of planets and provide a foundation for understanding celestial mechanics.

Tags

NGSS.HS-ESS1-4