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Moon Phases
the different appearances of the Moon as seen from Earth, caused by the varying amounts of the Moon's surface illuminated by the Sun as it orbits the Earth, repeating in a cycle of about 29.5 days
Rotation
the action of rotating around an axis or center.
Revolution
an instance of revolving.
Lunar calendar
A lunar calendar is a timekeeping system that bases its months on the cycles of the Moon's phases, with each month corresponding to a complete lunar cycle, from new moon to new moon.
Moon’s Orbit
5 degree tilt
Solar Eclipse
A solar eclipse occurs when the moon passes between the sun and Earth, casting a shadow on Earth and partially or completely blocking the sun's light.
Lunar Eclipse
A lunar eclipse occurs when the Earth passes between the Sun and the Moon, causing the Earth's shadow to cast upon the Moon, resulting in a temporary dimming or darkening of the lunar surface.
Earth’s Atmosphere
Earth's atmosphere is a layer of gases surrounding the planet, held in place by Earth's gravity, that protects life, regulates temperature, and contains the air we breathe.
Umbra
the fully shaded inner region of a shadow cast by an opaque object, especially the area on the earth or moon experiencing the total phase of an eclipse.
Penumbra
the partially shaded outer region of the shadow cast by an opaque object.
Waxing
A "waxing moon" refers to any phase of the moon between the new moon and the full moon, characterized by the illuminated portion of the moon appearing to grow larger each night.