Ceres was discovered on the first day of the 19th century, Jan. 1, 1801, by Giuseppe Piazzi. The resolution of Piazzi's telescope was so low that he could only make out Ceres as a point of light, so he called the new cla... More »

www.reference.com Science Astronomy Comets & Asteroids

Giuseppe Piazzi discovered the first and largest asteroid, Ceres, on Jan. 1, 1801, while mapping stars. He found it orbiting in an area between Mars and Jupiter. Measuring 583 miles across, this almost spherical asteroid... More »

One interesting fact about meteorology is that it was founded by the Greeks in the 7th century BC. The Times of London printed the first daily weather forecast on Aug. 1, 1861 by Admiral Robert Fitzroy. Nicholas of Cusa ... More »

Mankind has dreamed of mining asteroids ever since the 19th century sci-fi serial "Edison's Conquest of Mars," but it has only come within scientific reach very recently. Asteroids are rich in metals found only in scarce... More »

www.reference.com Science Astronomy Comets & Asteroids

Meteors from Mars arrive on Earth as the result of impacts on the planet by other bodies, which launch material out into space. Some of this debris is pulled in by the gravity of the Earth, falling as Martian meteorites. More »

A comet is a frozen collection of rocks, gases and dust that orbits around the sun, while a meteor is a piece of debris that comes into contact with a planet's atmosphere. Before it collides with a planet, a meteor is ca... More »

The lack of a planet at the asteroid belt is due to the gravitational pull of Jupiter. The gravitational pull from Jupiter is so strong that asteroids are pulled away from their orbit, creating gaps in the belt called th... More »

www.reference.com Science Astronomy Comets & Asteroids