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Relative masses of the Solar planets. Jupiter at 71% of the total and Saturn at 21% dominate the system. Relative masses of the solid bodies of the Solar System. Earth at 48% and Venus at 39% dominate. Bodies less massive than Pluto are not visible at this scale. Relative masses of the rounded moons of the Solar System.
To-scale diagram of distance between planets, with the white bar showing orbital variations. The size of the planets is not to scale. The astronomical unit (AU; equal to 150,000,000 km; 93,000,000 mi) is what the distance from the Earth to the Sun would be if the planet's orbit were perfectly circular.
It is the largest moon in the Solar System relative to the size of its planet, although Charon is larger relative to the dwarf planet Pluto. [173] [174] The natural satellites of other planets are also referred to as "moons", after Earth's. [175]
The eight planets of the Solar System with size to scale (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury (inner planets) A planet is a large, rounded astronomical body that is neither a star nor its remnant. The best available theory of planet formation is the nebular hypothesis ...
Relative masses of the terrestrial planets of the Solar System, and the Moon (shown here as Luna) The inner planets (sizes to scale). From left to right: Earth, Mars, Venus and Mercury. The Solar System has four terrestrial planets under the dynamical definition: Mercury, Venus, Earth and Mars.
Choice of units. The choice of solar mass, M ☉, as the basic unit for planetary mass comes directly from the calculations used to determine planetary mass.In the most precise case, that of the Earth itself, the mass is known in terms of solar masses to twelve significant figures: the same mass, in terms of kilograms or other Earth-based units, is only known to five significant figures, which ...
The scale of the planets is the same as the scale between them, and the planets are represented by everyday objects; the Earth is a peppercorn, Jupiter is a walnut, and Neptune is a coffee bean. (dismantled) Saint-Louis-du-Ha! Ha!, Quebec: 1:10,000,000,000 0.1 m 0.1 cm 15 m 0.6 km (dismantled) (est. 1985) Lafayette Walk Detroit, Michigan
NEPTUNE is the world's first regional-scale underwater ocean observatory that plugs directly into the Internet. [1] NEPTUNE is the largest installation on the Ocean Networks Canada network of ocean observatories. Since December 2009, it has allowed people to "surf" the seafloor while ocean scientists run deep-water experiments from labs and ...