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The Sun, planets, moons and dwarf planets (true color, size to scale, distances not to scale) The following outline is provided as an overview of and topical guide to the Solar System: Solar System – gravitationally bound system comprising the Sun and the objects that orbit it, either directly or indirectly. Of those objects that orbit the ...
To-scale diagram of distance between planets, with the white bar showing orbital variations. The size of the planets is not to scale. The radius of the Sun is 0.0047 AU (700,000 km; 400,000 mi). [ 57 ]
The prograde satellites consist of the Himalia group and three others in groups of one. The retrograde moons are grouped into the Carme, Ananke and Pasiphae groups. Saturn has 146 moons with known orbits; 66 of them have received permanent designations, and 63 have been named. Most of them are quite small. Seven moons are large enough to be in ...
The Hertzsprung–Russell diagram (abbreviated as H–R diagram, HR diagram or HRD) is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities and their stellar classifications or effective temperatures. The diagram was created independently in 1911 by Ejnar Hertzsprung and by Henry Norris Russell ...
The study of map projections is primarily about the characterization of their distortions. There is no limit to the number of possible map projections. [ 7]: 1 More generally, projections are considered in several fields of pure mathematics, including differential geometry, projective geometry, and manifolds. However, the term "map projection ...
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods. Traditional definitions require a topographic map to show both ...
Graticule (cartography) A graticule (from Latin crāticula 'grill/grating'), on a map, is a graphical depiction of a coordinate system as a grid of lines, each line representing a constant coordinate value. [ 1 ] It is thus a form of isoline, and is commonly found on maps of many kinds, at scales from local to global.
The Atlas of Terrestrial Group Planets and their Moons ( Russian: Атлас планет Земной группы и их спутников) is a Soviet -era planetary atlas published in the Russian language in Moscow. It summarizes Soviet and American planetary science results in thematic maps of Mercury, Venus, the Moon, Mars, Phobos, and ...