As a result, from our viewpoint the sun and the moon appear to be nearly identical in size. Thus, the moon can at times appear to fit perfectly over the sun.
Lai notiktu pilns Saules aptumsums, ne tikai Saulei, Mēnesim un Zemei jāatrodas uz vienas līnijas, bet arī Mēnesim jāatrodas Zemei tuvākajā orbītas posmā.