Gorgon these myths relate that Perseus was armed with a scythe from Hermes and a mirror (or a shield) from Athena. Perseus could safely cut off Medusa's head without turning to stone by looking only at her reflection in the shield. From the blood that spurted from her neck and falling into the sea, sprang Pegasus and Chrysaor, her sons by Poseidon. Other sources say that each drop of blood became a snake. Perseus is said by some to have given the head, which retained the power of turning into stone all who looked upon it, to Athena. She then placed
Bert van Sprang Bert van Sprang Bernardus Wilhelmus Maria "Bert" van Sprang (20 June 1944 in Tilburg – 17 November 2015 in Pijnacker) was the founder of the Dutch youth division ("JWG", or "Jongerenwerkgroep") of the Dutch association of meteorology and astronomy ("NVWS", or "Nederlandse Vereniging voor Weer- en Sterrenkunde") in 1967. Activities carried out by Van Sprang for the JWG included the organization of astro camps, the setting up of a program to build telescopes cheaply, and the writing of many booklets on astronomy topics. He was also program leader of the planetarium in The Hague until it was destroyed by fire