Salvino D'Armate is most often credited with the invention of the first wearable eye glasses around 1284. The earliest glasses was prescribed for hyperopia and perched on the bridge of nose.Sunglasses as we know them today was invented in 1929 by Sam Foster.
Outer Solar System. The planet Jupiter has the shortest day of all the eight major planets in the Solar System. It spins around on its axis once every 9 hr 55 min 29.69 sec. Jupiter has a small axial tilt of only 3.13 degrees, meaning it has little seasonal variation during its 11.86-year-long orbit of the Sun.
A Day on Each of the Planets. A day is the length of time that it takes a planet to rotate on its axis (360Â°). A day on Earth takes almost 24 hours. The planet with the longest day is Venus; a day on Venus takes 243 Earth days. (A day on Venus is longer than its year; a year on Venus takes only 224.7 Earth days).