Lunar eclipse

What is a lunar eclipse?

• The Earth blocks some or all of the Sun's direct light from reaching the Moon.

• The Moon blocks some or all of the Sun's direct light from reaching the Earth.

• The Sun blocks the Earth's light from reaching the Moon.

• The Moon blocks the Earth's light from reaching the Sun.

Why don't lunar eclipses occur every month during a full moon?

• The Earth's orbit around the Sun is tilted.

• The Moon's orbit is tilted a few degrees in relation to the Earth.

• The Sun's gravitational pull is too strong.

• The Earth, Moon, and Sun are always perfectly aligned.

What causes the Moon to appear red during a total lunar eclipse?

• Shorter blue wavelengths of light are refracted inward.

• Longer red wavelengths of light are scattered outward.

• Shorter blue wavelengths of light are scattered outward, and longer red wavelengths are refracted inward.

• The Moon reflects red light from the Earth's surface.

Which eclipse is safe to observe? What precautions will you take to observe an eclipse?

Name the three types of lunar eclipse.

Which type of lunar eclipse is the most difficult to notice with the naked eye?

• Total lunar eclipse

• Partial lunar eclipse

• Penumbral lunar eclipse

• Annular lunar eclipse

Is it safe to look directly at a lunar eclipse with the naked eye?

• Yes, it is always safe to look at a lunar eclipse with the naked eye.

• No, special protective eyewear is required, similar to a solar eclipse.

• Only during a partial lunar eclipse, but not a total one.

• Only during a total lunar eclipse, but not a partial one.