Q61. How long does it take sunlight to reach the Earth?
Q62. What characteristics of Mars distinguish it from other planets?
Q63. Which constellation appears like a big ladle or a question mark?
Q64. Which is the nearest star to earth, after the sun?
Q65. What is a constellation? Name any two constellations.
Q66. Name the constellation which appears to have the shape of a big bear.
Q67. In which part of the sky can you find Venus if it is visible as an evening star?
Q68. Which agency is responsible for the development of space science programs in India?
Q69. What is solar system?
Q70. What is the simplest method of identifying planets from stars?
Q71. What are planets?
Q72. What are meteors?
Q73. Which star has a system of planets with life on one of its planets?
Q74. What are uses of artificial satellites?
Q75. What are inner planets?
Q76. What is a Meteor Shower?