The colors for inner planets Mercury, Venus, Earth and Mars are gray, yellowish-white, predominantly blue with patches of other colors and red-orange, respectively; the outer planets Jupiter, Saturn, Uranus and Neptune have the colors orange with white bands, light yellow, light blue and pale blue, respectively. Mercury, which is the closest planet to the sun, has no atmosphere, and its surface appears gray. Mars color is red-orange because its surface contains rust-colored rocks.Know More
The yellowish-white appearance of Venus is due the sulfuric acid clouds in its atmosphere. The Earth is mainly blue in color due to its water sources. However, when seen from space, patches of the colors brown, white, green and yellow are visible. The while colors are due to the clouds, and some continents appear green.
Similarly, the different colors associated with the outer planets are associated with the types of atmospheres found on these planets. For example, Uranus and Neptune have a blue hue because of the methane clouds found in their atmospheres.Learn more about Planets
An exoplanet is a planet that orbits a star other than the sun. The first exoplanet found, 51 Pegasi B, was discovered in 1992, and over 800 have been discovered since.Full Answer >
According to National Geographic, the primary reason Pluto was demoted from planet to dwarf planet status is its size relative to its satellite. All the other planets with moons are much larger than their satellites, while Pluto is only about twice the size of its moon, Charon. Since Pluto does not "dominate its neighborhood," the International Astronomical Union demoted the planet in 2006.Full Answer >
The planet Uranus takes about 84 Earth years or 30,660 Earth days to make a full orbit around the sun. Days on Uranus last 17 hours, which is the amount of time it takes for the ice giant to make a complete rotation on its axis. Uranus is around 1.8 billion miles from the sun, making it the seventh furthest planet from the sun in the solar system.Full Answer >
There is no known date for the discovery of Jupiter nor any known person who discovered the planet. Jupiter is one of the five planets visible to the naked eye from Earth. Because of its visibility, Jupiter has been studied since ancient times.Full Answer >