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12 Cards in this Set

  • Front
  • Back
ROTATION
the earth's spinning on it's axis causes day and night; takes 24 hours
REVOLUTION
the ORBIT (revolving) of the earth around the sun; takes 365 1/4 days
SEASONS
these are created by the TILT of the sun
SUN
a big ball of gas; the center of our solar system
PHOTOSPHERE
this part of the the sun gives off the light we see
SOLAR WIND
WINDS that come off the sun
SUNSPOT
a SPOT on the sun that is cooler than the rest of the sun's surface
PROMINENCE
an ARCH of gas that rises from the suns surface
SOLAR FLARE
gas that SHOOTS out into the atmosphere
COPERNICUS
discovered that the sun is the center of our universe
INNER PLANETS
these are rockier and smaller in size than the rest of the planets
OUTER PLANETS
these have slower revolutions and are farther apart than the rest of the planets