@CNN: Researchers from England discovered what is now considered to be the world’s oldest astrolabe — used in the 1500s by famed explorer Vasco da Gama. https://t.co/PgaOjb1RgY https://t.co/qdA0NcgmV1

@CNN: Researchers from England discovered what is now considered to be the world’s oldest astrolabe — used in the 1500s by famed explorer Vasco da Gama. https://t.co/PgaOjb1RgY https://t.co/qdA0NcgmV1