The solar system consists of eight planets. The four inner ones are composed mostly of rock, while the outer ones are mostly gas and ice. read more
Our solar system has a lot of characteristics related to the sizes, temperatures and solar orbits of the planets in it. Let's get into some of the more fascinating ones. While Jupiter is 11 times larger in its diameter compared to Earth, Mars has a diameter roughly half that of Earth. read more
Many of the physical processes that operate on Earth are found throughout the solar system. The same laws of physics apply to planets, stars, and galaxies throughout the universe. The silent videos below highlight the diversity of planetary charateristics in our solar system as seen from telescopes on Earth and in space. read more