According to new simulations, many, even most, planets get ejected from their star early in their history Star Trek ...

Try stargazing. Need a new idea to keep kids entertained? Try stargazing. Free learning activities and videos about the solar system Free learning activities and videos about the solar system Free ...

With the exception of Pluto, planets in our solar system are classified as either terrestrial (Earth-like) or Jovian (Jupiter-like) planets. Terrestrial planets include Mercury, Venus, Earth ...

Earth has a nearly circular orbit, but some planets outside our solar system, called exoplanets ... Large planets need metal-rich stars in order to form; small planets do not.

The world of Sailor Moon does not just relate to our own solar system, but the many unknown planets from the original story ...

Everyone knows about the Solar System, and the planets that make it up. They’re in space, orbiting the Sun, in an order we all at least used to be able to recite. But it was not always so.

How do planetary alignments work? The planets in the solar system orbit the sun, just as Earth does. Every planet orbits at a different speed and distance. During these alignments, the planets ...