Earth, moon, and sun Flashcards
rotation
the spinning of a body, such as a planet, on its axis
Revolution
The motion of a body that travels around another body
Solar eclipse
When the moon and the sun come in sync and the moon blocks out the sun
Lunar eclipse
occurs when the Earth passes between the Sun and the Moon, casting a shadow on the Moon and causing it to appear darkened or reddish
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 an opaque object
season
A pattern of temperature and other weather trends
Equinox
sunlight shines equally on the northern and southern hemispheres
Solstice
the area of sunlight is at a maximum in one hemisphere and at its minimum in the other hemisphere
Gravity
the force that attracts a body towards the center of a physical body of mass
Lunar phases
new, waxing crescent, first quarter, waxing gibbous, full, waning gibbous, last quarter, and waning crescent