Explain if gravity only attracts mass and if light does not have mass why does it appear to bend when passing a planet?

93

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Explain how far away from earth, is space?

103

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Tell me how many moons does jupiter have?

108

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Explain how can space expand faster than the speed of light?

107

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Tell me how many black holes are there?

91

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Explain is pluto really a planet?

109

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Tell me how long is a day on saturn?

106

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Explain the venus atmosphere.

86

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Tell me how many earths can fit into jupiter s great red spot?

117

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Explain how old is our earth?

120

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Tell me how many moons do mars have?

85

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Tell me how many moons do ceres have?

105

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Explain how does gravity affect life on pluto?

110

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Tell me how many planets are now in the solar system?

125

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Tell me how many moons does saturn have?

107

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