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Curated category

Origins

  • Big BangIn 1922, Russian mathematician Alexander Friedmann derived equations from Einstein's field equations that suggested the universe might be expanding.
  • Refractory (planetary science)In planetary science, any material that has a relatively high equilibrium condensation temperature is called refractory.
  • CosmogonyIn ancient Greece, thinkers developed a cosmogony focused on the origin of matter, space, and time. This transition from Chaos to Cosmos formed a form of…
  • Volatile (astrogeology)In 1992, planetary scientists gathered to discuss the chemical makeup of distant moons. They focused on elements that vaporize easily compared to those that…