The Nine Planets is an encyclopedic overview with facts and information about mythology and current scientific knowledge of the planets, moons, and other objects in our solar system and beyond. The 9 Planets in Our Solar System

2020年3月17日 · The planets of our Solar System are listed based on their distance from the Sun. There are, of course, the dwarf planets Ceres, Pluto, Haumea, Makemake, and Eris; however, they are in a different class. Among the dwarf planets, Pluto was listed as a planet the longest. This all changed in 2006 when the Astronomical Union – IAU – finally ...

2019年12月6日 · The Planets of the Solar System Detailed information and facts about the eight planets and five dwarf planets in our solar system.

The inner solar system contains Mercury, Venus, Earth and Mars. These four planets are closest to the Sun. The outer solar system contains Jupiter, Saturn, Uranus, Neptune and Pluto. The inner planets are separated from the outer planets by the Asteroid Belt. Click on the rocket to find out more about our nine planets!

The Nine Planets is a collection of information about our Solar System intended for a general audience with little technical background. No special expertise or knowledge is needed; all technical and astronomical terms and proper names are defined in the glossary.

Created in 1994 by software developer and amateur astronomer Bill Arnett, The Nine Planets is a multimedia website containing information about our Solar System and beyond. It was one of the first examples of a multimedia website when it first …

Time on other Planets Time goes by differently on the other planets. However, let’s measure them based on the concept of time here on Earth: one day on Earth is 23.9 hours – this is the time it takes for the planet to rotate once on its axis, one year on Earth is around 365,25 days – this is the period it takes for our planet to complete ...

2020年9月29日 · The eight planets in our Solar System, in order from the Sun, are the four terrestrial planets Mercury, Venus, Earth, and Mars, followed by the two gas giants Jupiter and Saturn, and the ice giants Uranus and Neptune. These are the eight planets of our Solar System; however, there is a ninth, or at least, there used to be a ninth planet, namely ...

It’s interesting to note that Venus rotates in the opposite direction to most planets, including Earth. Continuing our journey, we’ll visit Mars. Mars has the tallest volcano in the solar system, Olympus Mons, three times the height of Mount Everest.

2019年9月25日 · Pluto is the largest known dwarf planet in the Solar System, discovered in 1930. It was thought to be the 9 th planet of our system for 75 years until the discovery of Eris and other similar objects that led to its demotion from a planet to a dwarf planet in 2006.