Astronomy and Celestial Events

Neap Tide

• Highest tidal range occurring during the new moon.

• Lowest tidal range occurring during the first and third quarters.

• Moderate tidal range occurring during the full moon.

• Tidal range that occurs only during spring equinox.

Orbit

• Path one body takes around another in space.

• A type of celestial body that orbits a star.

• The force that keeps planets in motion around the sun.

• A region in space where gravity is negligible.

Waxing

• Increasing illumination of the moon before a full moon. The RIGHT side of the moon is illuminated.

• Decreasing illumination of the moon after a full moon. The LEFT side of the moon is illuminated.

• The moon is completely dark and not visible at all.

• The moon is fully illuminated and appears as a full circle.

Waning

• Decreasing illumination of the moon after a full moon. The LEFT side of the moon is illuminated.

• Increasing illumination of the moon after a new moon. The RIGHT side of the moon is illuminated.

• Constant illumination of the moon during a full moon. The entire moon is visible.

• The phase of the moon when it is completely dark and not visible.

Penumbra

• Total darkness during an eclipse.

• Partial shadow during an eclipse.

• Complete illumination during an eclipse.

• The phase before a solar eclipse.

Lunar eclipse

• Earth blocks sunlight from reaching the moon.

• The moon blocks sunlight from reaching the Earth.

• The Earth reflects sunlight onto the moon.

• The sun blocks sunlight from reaching the Earth.

Path of Totality

• Area where a total solar eclipse is visible.

• Region where partial solar eclipses can be seen.

• Zone where lunar eclipses are most frequent.

• Location of the sun's maximum brightness.

Crescent

• Phase of the moon when less than half is illuminated.

• Phase of the moon when more than half is illuminated.

• Phase of the moon when it is completely dark.

• Phase of the moon when it is fully illuminated.

Solar Eclipse

• Moon blocks sunlight from reaching Earth.

• Earth blocks sunlight from reaching the Moon.

• Sun blocks sunlight from reaching the Earth.

• Moon reflects sunlight towards the Earth.

Milky Way

• Galaxy containing our solar system.

• A type of star

• A planet in our solar system

• A black hole