Understanding Blue Moons

What does the term 'Blue Moon' signify in modern folklore?

• A moon that appears blue in color

• A rare occurrence of two full moons in one month

• A lunar eclipse

• A moon that appears red in color

What natural event is most likely to cause the moon to appear blue?

• A meteor shower

• A volcanic eruption

• A lunar eclipse

• A solar eclipse

Which volcanic eruption in 1883 caused the moon to appear blue?

• Mount Pinatubo

• Krakatoa

• El Chichon

• Mount St. Helens

What can cause the moon to appear red when it is low in the sky?

• A total lunar eclipse

• The scattering of blue light by small aerosols

• The reflection of sunlight off the ocean

• The presence of large volcanic ash particles

Why are red Blue Moons more common than blue Blue Moons?

• Due to the reflection of sunlight off the ocean

• Because of the frequent occurrence of lunar eclipses

• Due to the scattering of blue light by small aerosols

• Because of the frequent volcanic eruptions