Universe: MCQs from 51 to 60

51. Sometimes the moon passes between the Sun and the Earth, this phenomenon is known as ______?

(a) Earth Eclipse

(b) Solar Eclipse

(c) Lunar Eclipse

(d) None of the above

52. How many days does the moon take to return to the same position among the constellations ______?

(a) 28 days

(b) 30 days

(c) 29 days

(d) None of the above

53. How many of the eight planets of the solar system were known in the life time of Kepler, the formulator of laws of planetary motions ______?

(a) 5

(b) 6

(c) 7

(d) All the eight planets

54. Stars which appear single to the naked eye but are double stars when observed by a telescope, are called ______?

(a) Novae and supernovae

(b) Cosmic stars

(c) Binaries

(d) Quastars

55. Sometimes the Earth passes exactly between the Moon and the Sun, this condition is known as ______?

(a) Lunar eclipse

(b) Solar eclipse

(c) Earth eclipse

(d) None of the above

56. According to new research, water is present on the surface of ______ except the Earth planet?

(a) Mars

(b) Jupiter

(c) Venus

(d) Mercury

57. Pole Star is always seen at one point in the sky, whereas other stars are not, this is because ______?

(a) Sun and Pole Star are in two opposite direction relative to earth

(b) Pole Star rotates with the same period as the Earth

(c) Pole Star is a star of our own galaxy

(d) Pole Star lies in the axis of spin of the Earth

58. The outermost layer of the Sun is known as ______?

(a) Chromosphere

(b) Photosphere

(c) Convection Zone

(d) Corona

59. A star which appears blue, is ______?

(a) Cooler than the Sun

(b) Hotter than the Sun

(c) Cooler than the Moon

(d) As hot as the Sun

60. The sunspots cause ______?

(a) Polar auroras

(b) Aurora borealis and aurora australis

(c) Magnetic storms on the surface of the Sun

(d) All of the above