Strange and interesting facts about planet Earth
July 23, 2009 | In: Space Facts
Earth has only one satellite, the Moon. Moon is the second brightest object in the sky, as seen from the planet.
The Earth is always moving. It spins or rotates while traveling in a big circle around the Sun. Its orbit or path around the Sun is 583,400,000 miles long. Earth travels along this path at 66,000 mile-per-hour. The Earth rotates at 1,000 miles-per-hour.
Earth is estimated to be 4.5 billion years old.
From a distance in space, Earth would seem to be the brightest of the 8 planets. This is because large amount of sunlight is reflected by the water on the planet.
From outer space, Earth’s atmosphere combined with the oceans make the planet look blue. That is why it is often referred to as the Blue Planet.
The inside of the Earth’s core is thought to be about 7500 degrees Kelvin — hotter than the surface of the sun!