Planet HD Wallpapers
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A collection of high-quality images of beautiful planet. More than 36 stunning high-resolution pictures for the desktop of your Android device.
The application allows you to choose any wallpaper and set it to your device in one touch.
- Only HD Wallpapers
- Only handpicked images
- Original, high quality, convenient!
Comment, it will allow us to improve the app for you!
Interesting facts about Planet:
This article is about the astronomical object. For other uses, see Planet (disambiguation).
Planetary-sized objects to scale:
Top row: Uranus and Neptune;
second row: Earth, white dwarf star Sirius B, Venus;
bottom row (reproduced and enlarged in lower image) – above: Mars and Mercury;
below: the Moon, dwarf planets Pluto and Haumea
A planet (from Ancient Greek ἀστὴρ πλανήτης (astēr planētēs), meaning "wandering star") is an astronomical object orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.
The term planet is ancient, with ties to history, science, mythology, and religion. The planets were originally seen by many early cultures as divine, or as emissaries of deities. As scientific knowledge advanced, human perception of the planets changed, incorporating a number of disparate objects. In 2006, the International Astronomical Union (IAU) officially adopted a resolution defining planets within the Solar System.
The planets were thought by Ptolemy to orbit the Earth in deferent and epicycle motions. Although the idea that the planets orbited the Sun had been suggested many times, it was not until the 17th century that this view was supported by evidence from the first telescopic astronomical observations, performed by Galileo Galilei.
By careful analysis of the observation data, Johannes Kepler found the planets' orbits were not circular but elliptical. As observational tools improved, astronomers saw that, like Earth, the planets rotated around tilted axes, and some shared such features as ice caps and seasons. Since the dawn of the Space Age, close observation by probes has found that Earth and the other planets share characteristics such as volcanism, hurricanes, tectonics, and even hydrology.
Planets are generally divided into two main types: large, low-density gas giants and smaller, rocky terrestrials. Under IAU definitions, there are eight planets in the Solar System. In order of increasing distance from the Sun, they are the four terrestrials, Mercury, Venus, Earth, and Mars, then the four gas giants, Jupiter, Saturn, Uranus, and Neptune. Six of the planets are orbited by one or more natural satellites.
Additionally, although not planets, the IAU accepts five dwarf planets, with many others under consideration, and hundreds of thousands of small Solar System bodies.
Since 1992, hundreds of planets around other stars ("extrasolar planets" or "exoplanets") in the Milky Way have been discovered. As of 19 September 2013, 974 known extrasolar planets (in 744 planetary systems and 162 multiple planetary systems) are listed in the Extrasolar Planets Encyclopaedia, ranging in size from that of terrestrial planets similar to Earth to that of gas giants larger than Jupiter.
These pictures are in high resolution (HD Wallpapers) and look great on android devices with any screen resolution (480x854, 960x540, 1280x720, 480x800, 1280x800, 480x320)
- 36 new Planet HD Wallpapers added
- reduced app weight to 1Mb
- improved interface
- share with friends feature