Key Words

Term preceded by an asterisk (*) is discussed in Box 8-1.

accretion

microlensing

astrometric method (for detecting extrasolar planets)

migration

atomic number

nebular hypothesis

center of mass

nebulosity

chemical differentiation

Nice model

condensation temperature

planetesimal

conservation of angular momentum

protoplanet

core accretion model

protoplanetary disk

exoplanet

protosun

extrasolar planet

radial velocity method (for detecting extrasolar planets)

Grand Tack model

radioactive dating

habitable zone

radioactive decay

*half-life

selection effect

hot Jupiter

snow line

interstellar medium

solar nebula

Kelvin-Helmholtz contraction

transit

Late Heavy Bombardment

transit method (for detecting extrasolar planets)

meteorite

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