Q15 of 32 Page 157

Why is Venus the brightest planet?

Venus is the brightest planet because it has a covering of thick clouds over it. Its thick clouds reflect most of the sunlight that reaches it (about 70%) back into space, and because it is the closest planet to Earth. Therefore, it appears brightest.


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13

Is it possible to see the polestar for the people who live in the southern hemisphere of

the earth? Why?

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What is the use of artificial satellites in our daily life?

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Are you curious about going to the moon? Why?

 17

While observing the shadow of a stick from morning to evening, some questions arose in Ramya’s mind. What may be those questions?