What is the primary cause of a lunar eclipse?

The Moon passes into the shadow cast by the Earth.

The Moon's own shadow falls upon its surface.

Our viewing angle from Earth changes as the Moon orbits.

Clouds in Earth's atmosphere temporarily block our view of the Moon.

If Earth were made of a transparent material that did not cast a shadow, what would be the impact on lunar eclipses?

Lunar eclipses would become more frequent.

Lunar eclipses would appear red instead of dark.

There would be no change to how lunar eclipses happen.

a physical shadow blocking the light source.

the gravitational pull of the Sun on the Moon.

Moon phases are caused by the Moon's rotation, while eclipses are caused by Earth's rotation.

A lunar eclipse is a physical blockage of sunlight by Earth's shadow, whereas phases result from our changing perspective of the Moon's sunlit side.

Lunar eclipses only happen during the day, while phases are visible at night.

A lunar eclipse involves the Sun's shadow, while phases involve Earth's shadow.

The Sun appearing as an extremely bright, unobscured star.

The Earth appearing as a dark disk that blocks the Sun from view.

The entire surface of the Earth glowing brightly.

The Earth appearing as a thin, sunlit crescent.