16 questions
astronomy
the time required for the moon to orbit once around the Earth
the time required for the Earth to rotate once on its axis
the time required for Earth to orbit once around the sun
the study of the universe
year
the time required for the moon to orbit once around the Earth
the time required for the Earth to rotate once on its axis
the time required for Earth to orbit once around the sun
the study of the universe
month
the time required for the moon to orbit once around the Earth
the time required for the Earth to rotate once on its axis
the time required for Earth to orbit once around the sun
the study of the universe
day
the time required for the moon to orbit once around the Earth
the time required for the Earth to rotate once on its axis
the time required for Earth to orbit once around the sun
the study of the universe
constellation
the line where the sky and the Earth appear to meet
the point in the sky directly above an observer (person) on Earth
the angle between an object in the sky and the horizon
a region of the sky that contains a recognizable star pattern
zenith
the line where the sky and the Earth appear to meet
the point in the sky directly above an observer (person) on Earth
the angle between an object in the sky and the horizon
a region of the sky that contains a recognizable star pattern
altitude
the line where the sky and the Earth appear to meet
the point in the sky directly above an observer (person) on Earth
the angle between an object in the sky and the horizon
a region of the sky that contains a recognizable star pattern
horizon
the line where the sky and the Earth appear to meet
the point in the sky directly above an observer (person) on EArth
the angle between an object in the sky and the horizon
a region of the sky that contains a recognizable star pattern
light-year
the distance that light travels in one year
a large, reddish star late in its life cycle
a small, hot, dim star that is the leftover center of an old star
a gigantic explosion in which a massive star collapses and throws its outer layers into space
red giant
the distance that light travels in one year
a large, reddish star late in its life cycle
a small, hot, dim star that is the leftover center of an old star
a gigantic explosion in which a massive star collapses and throws its outer layers into space
white dwarf
the distance that light travels in one year
a large, reddish star late in its life cycle
a small, hot, dim star that is the leftover center of an old star
a gigantic explosion in which a massive star collapses and throws its outer layers into space
supernova
the distance that light travels in one year
a large, reddish star late in its life cycle
a small, hot, dim star that is the leftover center of an old star
a gigantic explosion in which a massive star collapses and throws its outer layers into space
neutron star
an average star
a star that has collapsed under gravity
a rapidly spinning neutron star that emits rapid pulses of radio and optical energy
an object so massive and dense that even light cannot escape its gravity
pulsar
an average star
a star that has collapsed under gravity
a rapidly spinning neutron star that emits rapid pulses of radio and optical energy
an object so massive and dense that even light cannot escape its gravity
black hole
an average star
a star that has collapsed under gravity
a rapidly spinning neutron star that emits rapid pulses of radio and optical energy
an object so massive and dense that even light cannot escape its gravity
sun
an average star
a star that has collapsed under gravity
a rapidly spinning neutron star that emits rapid pulses of radio and optical energy
an object so massive and dense that even light cannot escape its gravity