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bbms heinz AstroVoca
bbms heinz Astronomy Vocabulary
Term | Definition |
---|---|
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. |