Lunar Eclipses and Tetrads

What is a lunar eclipse tetrad?

• A series of four consecutive partial lunar eclipses

• A series of four consecutive solar eclipses

• A series of four consecutive total lunar eclipses

• A series of four consecutive penumbral eclipses

Which type of lunar eclipse is the most subtle and often goes unnoticed?

• Partial eclipse

• Total eclipse

• Solar eclipse

• Penumbral eclipse

How many sets of tetrads occur in the 21st century?

• 7

• 5

• 11

• 9

What time does the totality of the April 15th eclipse begin on the east coast?

• Midnight

• 3 AM

• 2 AM

• 4 AM

Why does the Moon appear red during a total lunar eclipse?

• Because of Earth's shadow blocking all sunlight

• Due to the reflection of Mars' light

• Because of the light from all sunrises and sunsets on Earth

• Due to the Moon's atmosphere