Index A | B | C | D | E | F | H | I | L | M | N | P | Q | R | S | T | U A Abiotic Accrete Accretion Astronomical unit Autotroph B Biosignature Bulk silicate Earth C CAI Chemiosmosis Chondrite Cofactor Crust D Debris belts Differentiated Differentiation E Equilibrium temperature F Fugacity H Habitability Habitable Habitable zone Heterotroph Hill radius Hill sphere Hot Jupiter I Ice Ice line Igneous Instellation L Last Universal Common Ancestor M Magma Magma ocean Main sequence Mantle Mantle plume Metal Metallicity Metamorphism Metamorphosed Mid-ocean ridge N Nucleosynthesis P Partial melting Partial pressure Pebble accretion Pebble isolation mass Pentose Sugar Phase Planetesimal Plate tectonics Protoplanetary disk Q Q R Radial drift Reducing Regioselectivity Retrosynthetic analysis Ribozyme rTCA cycle S Semi-major axis Short lived radionuclide Siderophile Silicate Stereoselectivity Subduction T TCA cycle Tectonic plate U Unconformity