2.2. The Origin of Earth and the Solar System – Vocabulary
Section 2.0 Introduction
- Earth
- Moon
- lunar
- star
- billion
Section 2.1 Starting with the Big Bang
- big bang
- big bang theory
- universe
- energy
- space
- matter
- expand / expansion
- element
- hydrogen
- helium
- light year
- the Sun
- astronomer
- physicist
- cosmic microwave background (CMB)
- galaxy / galaxies
- red-shift
- Doppler effect
- wavelength
- spectrum / spectra
- visual spectrum
Section 2.2 Forming planets from the remnants of exploded stars
- burn
- fuse / fusion
- explode
- supernova / supernovae
Section 2.3 How to build a solar system
- solar system
- nebula / nebulae
- visible light
- infrared light
- gravitational force
- disk
- protoplanetary disk
- rotate
- protoplanet
- orbit
- planet
- terrestrial planet
- Jovian planet
- gas giant
- ice giant
- asteroid belt
- asteroid
- meteroid
- Kuiper belt
- Oort cloud
- frost line
- snow line
- solar wind
- astronomical unit
- accretion
- static electricity
- debris field
- comet
Section 2.4 Earth’s first 2 billion years
- Earth
- molten
- atmosphere
- radioactive
- radioactive decay
- thermal energy
- collide / collision
- compression
- differentiation
- impact
- collision
- crater
- coalesce
- giant impact hypothesis
- volcanic eruption
- free oxygen
- chemical reaction
- ultraviolet
- photosynthesis / photosynthetic
- life
- geologic processes
- bar code
Section 2.5 Are there other Earths?
- exoplanet
- extrasolar
- habitable zone
Other related vocabulary:
- nuclear fusion
- impact crater
- ultraviolet light
