The Moon

Study the properties and phases of Earth’s moon.

Sample Cards

The Moon

The natural satellite of Earth

Full Moon

The phase of the Moon when it is completely illuminated

New Moon

The phase of the Moon when it is completely dark from Earth's perspective

Lunar Eclipse

The event when the Earth passes between the Sun and the Moon, casting a shadow on the Moon

Gravitational pull of the Moon

The force that causes the tides on Earth

Crescent Moon

A phase of the moon where it is less than half illuminated

Quarter Moon

The phase of the moon when half of it is illuminated

Gibbous Moon

A phase of the moon where more than half but not all of the moon is illuminated

The Moon Flashcards

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What's in this deck?

The Moon

The natural satellite of Earth

The natural satellite of Earth

The Moon

Full Moon

The phase of the Moon when it is completely illuminated

The phase of the Moon when it is completely illuminated

Full Moon

New Moon

The phase of the Moon when it is completely dark from Earth's perspective

The phase of the Moon when it is completely dark from Earth's perspective

New Moon

Lunar Eclipse

The event when the Earth passes between the Sun and the Moon, casting a shadow on the Moon

The event when the Earth passes between the Sun and the Moon, casting a shadow on the Moon

Lunar Eclipse

Gravitational pull of the Moon

The force that causes the tides on Earth

The force that causes the tides on Earth

Gravitational pull of the Moon

Crescent Moon

A phase of the moon where it is less than half illuminated

A phase of the moon where it is less than half illuminated

Crescent Moon

Quarter Moon

The phase of the moon when half of it is illuminated

The phase of the moon when half of it is illuminated

Quarter Moon

Gibbous Moon

A phase of the moon where more than half but not all of the moon is illuminated

A phase of the moon where more than half but not all of the moon is illuminated

Gibbous Moon

Blue Moon

The occurrence of two full moons within one calendar month

The occurrence of two full moons within one calendar month

Blue Moon

Moon's Orbit

The path the moon takes as it travels around the Earth

The path the moon takes as it travels around the Earth

Moon's Orbit

Moon's Effect on Tides

The gravitational force of the moon causes the rise and fall of ocean tides on Earth

The gravitational force of the moon causes the rise and fall of ocean tides on Earth

Moon's Effect on Tides

Moon's Surface Features

Craters, Maria

Craters, Maria

Moon's Surface Features

Moon's Formation

Thought to have formed about 4.5 billion years ago after a collision between Earth and a Mars-sized body

Thought to have formed about 4.5 billion years ago after a collision between Earth and a Mars-sized body

Moon's Formation

Moon's Role in Earth's Stability

The moon's gravitational pull reduces the tilt of Earth's spin axis

The moon's gravitational pull reduces the tilt of Earth's spin axis

Moon's Role in Earth's Stability

Dark Side of the Moon

The side of the Moon that is not visible from Earth due to the moon's rotation and orbit synchronizing with its orbital period

The side of the Moon that is not visible from Earth due to the moon's rotation and orbit synchronizing with its orbital period

Dark Side of the Moon

Apollo Moon Landings

The human missions, carried out by NASA, that landed on the moon between 1969 and 1972

The human missions, carried out by NASA, that landed on the moon between 1969 and 1972

Apollo Moon Landings

Solar Eclipse versus Lunar Eclipse

A solar eclipse occurs when the Moon blocks the Sun's light, while a lunar eclipse happens when the Earth's shadow falls on the Moon

A solar eclipse occurs when the Moon blocks the Sun's light, while a lunar eclipse happens when the Earth's shadow falls on the Moon

Solar Eclipse versus Lunar Eclipse

Moon’s Rotation and Synchronous Orbit

The Moon rotates on its axis and orbits Earth at the same time, resulting in the same side always facing the Earth

The Moon rotates on its axis and orbits Earth at the same time, resulting in the same side always facing the Earth

Moon’s Rotation and Synchronous Orbit

Supermoon

When a full or new moon coincides with the closest distance that the Moon reaches to Earth in its elliptic orbit

When a full or new moon coincides with the closest distance that the Moon reaches to Earth in its elliptic orbit

Supermoon

Distance Between Earth and the Moon

Approximately 238,855 miles

Approximately 238,855 miles

Distance Between Earth and the Moon

Moon’s Effect on Earth’s Axial Tilt

The moon stabilizes the tilt of Earth's rotational axis, regulating climate

The moon stabilizes the tilt of Earth's rotational axis, regulating climate

Moon’s Effect on Earth’s Axial Tilt

Moon in Ancient Calendars

Many ancient calendars, such as the Hebrew, Chinese, and Hindu lunar calendars, were based on the cycles of the moon

Many ancient calendars, such as the Hebrew, Chinese, and Hindu lunar calendars, were based on the cycles of the moon

Moon in Ancient Calendars

Moon’s Gravitational Influence on Space Missions

The moon's gravity is used in space missions for gravity assists or orbital placement

The moon's gravity is used in space missions for gravity assists or orbital placement

Moon’s Gravitational Influence on Space Missions

Blood Moon

A phenomenon during a total lunar eclipse where the Moon appears red due to Rayleigh scattering

A phenomenon during a total lunar eclipse where the Moon appears red due to Rayleigh scattering

Blood Moon

Importance of the Moon in Cultural Mythology

In many cultures, the moon is a central figure in mythology and folklore, often associated with femininity, fertility, and timekeeping

In many cultures, the moon is a central figure in mythology and folklore, often associated with femininity, fertility, and timekeeping

Importance of the Moon in Cultural Mythology

Lack of Atmosphere on the Moon

The moon does not have a significant atmosphere, which means it cannot support life as we know it.

The moon does not have a significant atmosphere, which means it cannot support life as we know it.

Lack of Atmosphere on the Moon

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