Vocabulary 3

the time required for Earth to rotate once on its axis (23 hours and 56 minutes)

tides that have the largest daily tidal range and occur during the new and full moons

occurs on the part of Earth that is closest to the moon and its opposite side

daily changes in the level of ocean water that are influenced by the sun and the moon

a rainbow of colors that is produced when white light passes through a prism

a galaxy with a bulge at the center and spiral arms

the time it takes a planet to revolve around the sun; a year

the sunlit part of the moon that can be seen from Earth that appears to get larger (right side)

when the Earth is between the sun and the moon and Earth's shadow falls on the moon

the brightness of a star as see from earth

a small body of ice, rock, and cosmic dust that revolves around the sun in an ellipse

the distance light travels in one year

planets that are composed mostly of gases and have deep, massive atmospheres

the longest stage of a star's life where energy is generated in the core of the star

a bright streak of light as the meteoroid enters earth's atmosphere and burns up

a natural or artificial body that revolves around a planet

a small, hot star that is the leftover center of an old star

tides that have the smallest daily tidal range and occur during first and third quarter moons

the actual brightness of a star

a meteoroid that enters Earth's atmosphere and hits the ground

a star that grows very large and cools because it has used all of its hydrogen,

when the sun is farthest north or south of the equator

a graph that shows the relationship between a star's surface temperature and absolute magnitude

small, rocky bodies that orbit the sun between Mars and Jupiter

which is NOT a phase of the moon

region between Mars and Jupiter where most asteroids are found

the distance light travels in one minute

the average distance between the sun and Earth

a galaxy that looks like a massive blob of stars, made up mainly of old stars

the sunlit part of the moon seen from Earth that appears to get smaller (left side)

a small, rocky body that revolves around the sun (smaller than an asteroid)

the time it takes a planet to rotate (spin) on its axis; a day

occurs on the part of the Earth that is not having high tide

the difference between the level of ocean water at high tide and the level at low tide

planets whose surfaces are dense and rocky

galaxies that don't fit into any other category

the time when the sun is directly above the equator, equal number of hours of day and night

when the moon is between the Earth and the sun and the moon's shadow falls on Earth

caused mainly by the 23.5 degree tilt of Earth's axis