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Eden Prime
Planets are massive celestial bodies that orbit a star or stellar remnant. They are of many different sizes and compositions. Planets may have natural satellites (moons) and may or may not be inhabited. Every planet has a unique blurb, but most of them cannot be interacted with. Travel from planet to planet requires use of the Galaxy Map.

Within each solar system, there will usually only be one location to land / dock. Most often this will be a planet, but it may be a moon or starship instead. Many planets can be scanned from space for minerals or other collectibles, but not landed upon. There are even asteroids containing valuable metals or other objects hidden in the belts.

Main article: Mass Effect System Guide

For an alphabetical list of planets see Category:Planets (or the Planet Index).

Mass EffectEdit

Argos Rho Edit

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Armstrong Nebula Edit

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Artemis Tau Edit

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Attican Beta Edit

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Exodus Cluster Edit

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Gemini Sigma Edit

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Hades Gamma Edit

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Hawking Eta Edit

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Verr‡
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Horse Head Nebula Edit

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Kepler Verge Edit

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Local Cluster Edit

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Earth (Luna†)
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Maroon Sea Edit

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Pangaea Expanse Edit

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Sentry Omega Edit

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Serpent Nebula Edit

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Styx Theta Edit

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Voyager Cluster Edit

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Mass Effect 2Edit

Caleston Rift Edit

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Crescent Nebula Edit

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Eagle Nebula Edit

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Far Rim Edit

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Hades Nexus Edit

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Hawking Eta Edit

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Verr‡
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Hourglass Nebula Edit

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Ismar Frontier Edit

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Faia†
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Krogan DMZ Edit

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Local Cluster Edit

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Earth (Luna†)
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Minos Wasteland Edit

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Nubian Expanse Edit

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Omega Nebula Edit

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Pylos Nebula Edit

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Rosetta Nebula Edit

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Serpent Nebula Edit

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Shadow Sea Edit

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Sigurd's Cradle Edit

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The Phoenix Massing Edit

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The Shrike Abyssal Edit

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Thal†
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Titan Nebula Edit

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Vallhallan Threshold Edit

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Viper Nebula Edit

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Mass Effect 3Edit

Aethon Cluster Edit

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Annos Basin Edit

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Apien Crest Edit

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Arcturus Stream Edit

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Argos Rho Edit

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Athena Nebula Edit

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Attican Beta Edit

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Caleston Rift Edit

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Crescent Nebula Edit

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Exodus Cluster Edit

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Far Rim Edit

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Gemini Sigma Edit

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Hades Gamma Edit

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Hades Nexus Edit

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Horse Head Nebula Edit

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Hourglass Nebula Edit

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Ismar Frontier Edit

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Faia†
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Kepler Verge Edit

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Kite's Nest Edit

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Krogan DMZ Edit

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Local Cluster Edit

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Earth (Luna†)
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Minos Wasteland Edit

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Nimbus Cluster Edit

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Ninmah Cluster Edit

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Nubian Expanse Edit

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Perseus Veil Edit

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Petra Nebula Edit

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Pylos Nebula Edit

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Serpent Nebula Edit

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Shadow Sea Edit

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Sigurd's Cradle Edit

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Silean Nebula Edit

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The Shrike Abyssal Edit

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Thal†
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Vallhallan Threshold Edit

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Homeworlds Edit

"Homeworlds" redirects here. For the comic series, see Mass Effect: Homeworlds.

Background Worlds Edit

Properties Edit

Mass Effect provides the radius of planets (in kilometers), and for planets with a solid surface it further provides the surface gravity (as a proportion of Earth's surface gravity). From these, it is possible to derive the mass (and density) for any planet with a surface gravity.

Isaac Newton's gravitational constant is 6.67×10-11 m3kg-1s-2 which would be 6.67×10-20 km3kg-1s-2 when dimensioned for kilometers. Earth's surface gravity, g, is 9.81 ms-2, which is 9.81×10-3 kms-2. According to Newton's Law of Universal Gravitation, the mass of any body, M, is ar2G-1, where a is gravity, r the radius, and G the gravitational constant. Since the gravity of a planetary body in Mass Effect, s, is given as a proportion of Earth's, a = sg. Therefore, given values for s (dimensionless) and r (in km), and given that the mass of the Earth is 5.9736×1024 kg, the mass of a planet will be:

\begin{align} M = \dfrac{a r^2}{G} \qquad = \dfrac{s g r^2}{G} \qquad = \dfrac{s \cdot 9.81 \times 10^{-3} \cdot r^2}{6.674 \times 10^{-20}} \; \mbox{kg} \qquad\\ = {1.46 \times 10^{17} \cdot s \cdot r^2} \; \mbox{kg} \qquad = {2.44 \times 10^{-8} \cdot s \cdot r^2} \; \mbox{Earth Masses} \end{align}

Retrieved from "http://masseffect.wikia.com/wiki/Planets?oldid=400269"
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