唐山
- 旭日落日因何而扁
石鳳良，王賀清（唐山師范學院 物理系，河北 唐山 063000）If you had been to the seashore to watch the sunrise,perhaps you saw the situation shown in figure 1, the rising sun was obviously “squashed”.But do you know why the sun is oblate and why the phenom
唐山師范學院學報 2010年2期2010-10-26