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
The planet Venus takes 224.7 Earth days to complete a single orbit of the sun. Venus is unique in that it rotates along its axis in the opposite direction of the other planets.Full Answer >
Objects near to Earth can move at a wide range of speeds, but the theoretical maximum velocity for anything on or around the planet is 11.2 kilometers per second. This upper limit is defined by the escape velocity of Earth. Anything moving above this threshold will be ejected to space.Full Answer >
The planet Uranus was discovered on March 13, 1781, by British astronomer William Herschel. While Uranus is visible from Earth with the naked eye under optimal conditions, it was long assumed to be a star due to its dimness and slow orbit.Full Answer >
The planet with the greatest gravitation pull in Earth's solar system is Jupiter. NASA measures the gravity of other planets in relation to Earth. Gravity on Jupiter is about 2.36 times that of Earth, and Pluto has the weakest gravity, which is about 0.059 times Earth's gravity.Full Answer >