• Fulltext


        Click here to view fulltext PDF

      Permanent link:

    • Keywords


      Solar eclipse, annular eclipse, the Earth-Moon-Sun system.

    • Abstract


      An annular solar eclipse will be visible on 26th December2019 in parts of Kerala and Tamil Nadu. The annular solareclipse will be fully visible in Coimbatore. In this article,we explore a few basic things about the Earth, Moon, Sunsystem and explain how, why, and when solar eclipses happen.We emphasise that using elementary trigonometry anda simple calculator one can understand many important featuresof solar eclipses. In particular, we estimate the durationof the eclipse and the size of the shadow of the Moon on theEarth.

    • Author Affiliations


      Anand Mathew Kurien1 H S Mani2 Amitabh Virmani2

      1. Good Earth School Naduveerapattu Village, Somangalam Post Sriperumbudur Taluk, Chennai 600069, India.
      2. Chennai Mathematical Institute H1 SIPCOT IT Park Kelambakkam, Chennai 603103, India.
    • Dates


© 2022-2023 Indian Academy of Sciences, Bengaluru.