Life cycle of stars - class-IX

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Multiple Choice

Match the columns

A B
(1) Speed of light (a) 4.3 light years away from earth
(2) Light year                (b) 300,000 km/s
(3) Sun (c) Nearest star
(4) Alpha Centauri (d) distance travelled by light in one year
(e) 18 light minutes away from the Earth
  1. 1-d 2-d, 3-a, 4-e
  2. 1-a, 2-b, 3-c, 4-e
  3. 1-d, 2-b, 3-e, 4-c
  4. 1-b, 2-d, 3-c, 4-a
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