Antikythera Mechanism: Astronomical Computer

Antikythera mechanism was first found in a shipwreck off the coast of the Greek island Antikythera in 1901. By 1902, archaeologist Valerios Stais found that it was some kind of astronomical clock. And almost a century later, the modern imaging technology revealed that the Antikythera mechanism used 30 meshing bronze gears to compensate the irregularitiesContinue reading “Antikythera Mechanism: Astronomical Computer”

Oldest Depiction of Supernova in Stone Carving

This is a follow-up post on “Indian Records of Crab Nebula“ Earlier I have written about possibility of Indian records of SN1054 – you may see the article on above link. This one is however is relatively new discovery. In 2018, oldest skymap depicting Supernova explosion was unearthed in Kashmir, India. Skymap is a 5000Continue reading “Oldest Depiction of Supernova in Stone Carving”

Indian records of Crab Nebula

Somewhere around 5500 BC, a star exploded. It was 6500 light-years away from Earth, in our galaxy in the same neighborhood as Sun. News of this explosion reached Earth at the speed of light on 4 July 1054 AD. And out of nowhere, a star appeared in the sky, bright enough to be seen inContinue reading “Indian records of Crab Nebula”