Various theories had been proposed for the formation of the Moon. Below these theories are listed along with the reasons they have since been discounted. The Fission Theory: This theory …

Scientists theorize that the Moon was the result of a collision between Earth and an object the size of Mars. One theory states that the debris from the impact was hurtled into space where, …

As the Moon moves eastward away from the Sun in the sky, we see a bit more of the sunlit side of the Moon each night. A few days after new moon, we see a thin crescent in the western …

Earth Distance : 356,000 to 407,000 km; Revolution Period : 27.3 Earth days; Rotation Period : 27.3 Earth days

These objects include planets, natural satellites such as the Moon, the asteroid belt, comets, and meteoroids. Our solar system has an elliptical shape and is part of a galaxy known as the …

The Moon travels around the Earth in an oval shaped orbit. Scientists think the Moon was formed long ago when Earth collided with another space object. The collision may have caused a big …

2018年5月14日 · This site is intended for students in grades K through 8. StarChild is a learning center for young astronomers ages 5-13 to learn about the solar system, the Milky Way …

An asteroid is a rocky body in space which may be only a few hundred feet wide or it may be several hundred miles wide. They are considered to be debris left over from the formation of …

Hi'iaka is the larger moon, while the smaller moon was named Namaka. It is believed that these moons formed as a result of a collision between Haumea and some other body. Haumea is …

These observations were made using only a compass and a sextant. Brahe catalogued over 1000 stars. He also proved that comets were not just components of Earth's atmosphere, but actual …