Reftest

Z Skrypty dla studentów Ekonofizyki UPGOW

According to scientists, the Sun is pretty big.[1] The Moon, however, is not so big.[2]

Notes

[1] [2]

  1. 1,0 1,1 E. Miller, The Sun, (New York: Academic Press, 2005), 23-5.
  2. 2,0 2,1 R. Smith, "Size of the Moon", Scientific American, 46 (April 1978): 44-6.