Asteroids are odd-shaped rocks made of metal and other elements. There are about 100,000 known asteroids mostly in the asteroid belt between Mars & Jupiter.
Comets are balls of frozen gases mixed with pieces of rocks, water and ice. There are only a hundred or so named comets and a bit over 3500 known comets.
At all times the sun illuminates half of the moon. Depending on your point of view, this is what causes the various phases of the moon.
The moon is approximately 238,855 miles (384,400 km) away from the Earth. It’s such a big gap that you can almost fit all the 7 other planets in between.
As the Earth spins, the sun always shines on one side which gives it sunlight. When you’re facing the sun, it’s daytime. But when you’re not, it’s night.
Their difference is location. Meteoroids are up in the sky. Meteors fall to Earth and flash light breaking down in the atmosphere. Meteorites are on Earth.
In terms of space exploration, Mars has been the greatest frontier for discovery. From its red color to marsquakes, here are 15 remarkable facts about Mars.