Understanding Ellipses and Their Impact

What is an ellipse?

• A perfect circle

• A square

• A stretched circle or oval

• A triangle

Who discovered that planets have elliptical orbits?

• Johannes Kepler

• Albert Einstein

• Galileo Galilei

• Isaac Newton

What is the term for the moon's farthest point from Earth?

• Perigee

• Apogee

• Equinox

• Solstice

How does the moon's position at perigee affect Earth's tides?

• It stops tides completely

• It causes lower tides

• It has no effect on tides

• It causes higher tides

If the moon's orbit were a perfect circle, how would Earth's tides be affected?

• Tides would be lower

• Tides would disappear

• Tides would be higher

• Tides would remain constant