56. In how many parts the shadow of Earth is divided during solar or lunar eclipse?
57. Which one of the following is correct?
Great Bear is a ________
Great Bear is a ________
58. In astrophysics, what is the name of hole in outer space which emits stars and energy?
59. The Srnith-tuttle comet will crash with Earth in ________
60. Which is the nearest planet to Sun?
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