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闽教版六年级上册《Unit 8 The Universe Part B》优秀教学课件
small
sun
moon
its
earth
star
day
Are there any people on the moon?
Are there any trees on the moon?
Is there a rabbit on the moon?
Unit 8 The Universe Part B
Look!There are so many stars in the sky.
in the sky
The moon is in the sky.
The sun is in the sky.
The sun, the moon and the stars are all in the sky.
月亮的直径为3476.2千米
地球的直径为12756千米
太阳的直径：1390000千米,
约为地球的109倍
银河系的直径约为100,000多光年，总质量是太阳质量的1400亿倍
1光年=九万四千六百亿公里
They are very big!!
They are big,but they look small .Why?
Because they are far away from us.