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.
Neptune, a giant that is the eighth planet from the sun, requires 19.1 hours to make one rotation on its axis. This gives Neptune the fourth shortest day of the planets in our solar system, behind ... Read More Â». http://www.answerbag.com/q_view/2033357.