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.
TW '14-'16. No; Earth's moon exhibits prograde motion, meaning that it orbits Earth in the same direction that Earth is rotating on its axis. Viewed from above the North Pole, this is counter-clockwise. This is also the same direction in which Earth orbits the Sun, and the same direction in which the Sun rotates on its axis. Of the larger moons in our solar system, only Neptune's Triton orbits in retrograde motion, opposite the planet's rotation. However, a number of smaller, asteroid-sized moons orbit in retrograde.