首页 / 官方藏书 / Zetetic astronomy: Earth not a globe! / An experimental inquiry into the true figure of the earth etc. / SECTION 6. CAUSE OF DAY AND NIGHT, SEASONS, &c.

SECTION 6. CAUSE OF DAY AND NIGHT, SEASONS, &c.

Zetetic astronomy: Earth not a globe! / An experimental inquiry into the true figure of the earth etc. · Parallax · 第 9 / 18 章