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37.	The group of stars arranged in a definite pattern is called
	A.  Milky way
	B.  Constellation
	C.  Andromeda
	D.  Solar system

Answer

Ans: B Constellation

38.	A lunar month ( a complete cycle of phases from new moon to the subesequent new moon) is longer the orbital period because
	A.  The moon travels in an elliptical orbit
	B.  The earth moves along its orbit
	C.  The moon slow rotation on its axis
	D.  None of the above

Answer

Ans: B The earth moves along its orbit

39.	Which of the following is not TRUE about inner planets?
	A.  They have greater quickly
	B.  They orbit the sun quickly
	C.  They spin quickly
	D.  They are also called as terrestrial planets

Answer

Ans: C They spin quickly

40.	In which year the first unmanned spacecraft reached the Moon?
	A.  1949
	B.  1959
	C.  1969
	D.  1979

Answer

Ans: B 1959