solar system Flashcards
sun
classified as a G2V star or yellow dwarf. 4.7 billion years old
whats the order of the planets from the sun?
mercury, venus, earth, mars, jupiter, saturn, uranus, and neptune
meteroids
smaller fragments of asteroids and particles shed by comets
meteors
when meteroids fall into earths gravitational field
meteorites
when the meteors make it to earths surface
kuiper belt
a belt of asteroids that are between mars and jupiter
comets
sometimes called “dirty snowballs” or “icy mudballs” . they are a mixture of ices and dust. they’re invisible except when near the sun
tails
tails of comets are several hundred million kilometers long - composed of plasma and laced with rays and streamers caused by interactions with the solar wind
moon
the second most important body in the solar system
tides
caused by gravitational pull of the moon. High tides occur twice a day when the moon points closest to and farthest from the affected masses of water