5. Mark the following statements as true (T) or false (F).
(a) Pole star is a member of the solar system. ( )
(b) Mercury is the smallest planet of the solar system. ( )
(c) Uranus is the farthest planet in the solar system. ( )
(d) INSAT is an artificial satellite. ( )
(e) There are nine planets in the solar system. ( )
(f) Constellation Orion can be seen only with a telescope. ( )
(a) False; the pole star is not a member because it is so far away from the solar system.
(b) True; Mercury is the smallest of all planets present in the solar system.
(c) False; Neptune is the farthest planet in the solar system.
(d) True, INSAT is an Indian artificial satellite.
(e) False; there are eight planets in the solar system (Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune).
(f) False; the constellation Orion can be seen with naked eyes.