Concepts To Learn

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Concepts are how we hold knowledge in our minds. A concept brings together different situations we have experienced by saying what the feature common to those situations is in contrast with other situations that lack that feature (say, apples: they have a common range of looks and tastes and come from a certain type of tree compared to other foods we experience or things that are not foods). We also relate concepts to one another, grouping concepts (like apples and oranges and others in fruit because they come from the flower of plants, and further grouping fruit and vegetables and others in food because we can eat them for nutrition and pleasure).

The category to which several concepts belong is called the concept’s genus. The factors that differentiate the concept from others in its category are called the differentia of the concept. A brief statement of a concept's genus and differentia is its definition

Once you learn a concept, you can bring to mind the word assigned to that concept and are able to give a definition of that concept (including its genus and differentia) as well as come up with many examples of the concept. Some concepts we learn are adjectives describing situations.

Concept learning checklist

  • Examples
  • Definition

Concepts to learn for this course:

  1. Horizon
  2. Zenith/nadir
  3. East/west
  4. North/south
  5. Sun arc (or, day arc, or, sun path)
  6. Culmination
  7. Solstice
  8. Equinox
  9. Tropical
  10. Analemma
  11. Phase (moon)
  12. Gibbous
  13. Synodic
  14. Node
  15. Draconic
  16. Eclipse
  17. Lunar standstill
  18. Asterism
  19. Constellation
  20. Celestial pole
  21. Celestial equator
  22. Circumpolar
  23. Zodiac
  24. Altitude
  25. Azimuth
  26. Right ascension
  27. Declination
  28. Planet
  29. Prograde / retrograde
  30. Sidereal
  31. Occultation
  32. Opposition
  33. Conjunction
  34. Elongation (or, greatest elongation)
  35. Syzygy
  36. Intercalary (or, leap)
  37. Lunisolar
  38. Heliacal
  39. Language family
  40. Endonym/exonym
  41. Ethnonym
  42. Glossonym
  43. Swadesh list
  44. Artifact
  45. Alignment [astronomical]
  46. Hierophany
  47. Petroglyph

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