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the daytime star |
ȸ: 1405
/ õ : 59
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¾ star . .
, ǥϱ .
it takes ð... ǥ .
it would take more than three years to reach the sun.
it takes eight minutes for light to travel from our daytime star to Earth.
, ణ ~ .
Millions of years ago, as plants and animals grew, they stored solar energy.
Ancient solar energy is stored in coal and oil.
Today, we use the stored-up solar energy in coal, oil, and gasoline.
ǥ .
sundial
plant beans
water the sprouts
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2010 04 20 11:10:52 |
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