History of Eyeglasses and Sunglasses. The inventor of the first spectacle lenses is unknown. Roman tragedian Seneca (4 BC -65AD) is said to have used a glass globe of water as a magnifier to read ''all the books of Rome''. It's been reported that monks in the middle ages used glass spheres as magnifying glasses to read.
exists and is an alternate of . The Planet Venus has the slowest rotation rate because one day there is longer than the year on Venus or longer than its revolution around the sun. The Planet Venus has the slowest rotation rate because one day there is longer than the year on Venus or longer than its revolution around the sun.
Venus spins retrograde (opposite) relative to the earth's movement. The period of rotation of Venus (a Venusian day) is longer the Venusian year by 18.3 days. Venus circles the sun every 224.7 earth days. Most of my sources stated that the Venusian day is 243 earth days long.43 days. Venus is the second planet from the sun and the planet that is closest to earth. It is named for the Roman Goddess of love and beauty and has been thought of throughout history as one of the most beautiful objects in the sky. Venus is covered by clouds that move three times faster than hurricane winds.