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bbms heinz AstroVoca

bbms heinz Astronomy Vocabulary

TermDefinition
sun a main sequence star, it is an average star.
black hole a really huge star that is at the end of star cycle
space weather storms and explosions from the sun
galaxy has a black hole at the center and is a collection of many solar systems
galaxy 3 types - spiral, elliptical, and irregular
solar system planets that orbit a star or sun
universe contains all the galaxies and solar systems
eclipse when the shadow of the moon or earth blocks light from reaching earth
moon phases the shape of the moon as seen from earth as it moves around earth
new moon from earth we see no moon
crescent a banana shaped moon
gibbous the odd shaped moon. more that half but not full.
full moon all of the illuminated side of the moon is seen from earth
quarter moon others call it a "half moon". but it's half of both the illuminated and dark side
waxing the illuminate part of the moon is increasing
waning the illuminate part of the moon is decreasing
solar eclipse the moon blocks sun light from reaching earth
lunar eclipse the earth blocks the moon light from reaching earth
tides the change in the depth of the ocean water because of the moon's gravity
spring tide the high tide is really high and the low tide is really low
neap tide the difference between the low and high tide is not that much - a lame tide.
ISS the international space station
revolve to travel in a path around an object. planets going around the sun.
rotate to spin on an axis.
main sequence star an average star in the middle of its life producing heat and light like the Sun.
moon phases happen because we are on earth and the moon revolves around earth.