They were the first devised by Benjamin Franklin in 1784. The first eyeglass frame temples were made by Spanish craftsmen in 1600's. They affixed ribbons of silk or strings to the frame and loop them over the user's ears. The new types of eyeglasses carried out to China by Spanish and Italian missionaries.
The Asteroid Belt is located between the orbits of Mars and Jupiter: so it can only be one of the two planets that is the closest to it. Mars is located approx 250 million km from the Sun and Jupiter - 750 million km from the Sun. Mars is closer: so the correct answer is: Mars is the planet closest to the Asteroid belt.
The dwarf planet called Ceres orbits the Sun in the asteroid belt. An asteroid is a bit of rock. It can be thought of as what was left over after the Sun and all the planets were formed.Most of the asteroids in our solar system can be found orbiting the Sun between the orbits of Mars and Jupiter.This area is sometimes called the asteroid belt.he dwarf planet called Ceres orbits the Sun in the asteroid belt. An asteroid is a bit of rock. It can be thought of as what was left over after the Sun and all the planets were formed.