milankovitch cycles

• Who was Milankovitch?

  A mathematician who studied earth‘s position in space between 1912 and 1941
• What is the ORBITAL theory?

  The earth‘s orbit of the sun changes shape over a period of time to become more or less elliptical
• How many years does the ORBITAL theory occur over?

  100,000 years
• What is another term for ORBITAL theory?

  Eccentricity
• In the ORBITAL theory, what does a MORE ELLIPTICAL orbit lead to?

  Colder temperatures
• What is the AXIAL TILT theory?

  The earth usually rotates at 23°. This is what causes long days and night at the poles.
• How many years does the AXIAL TILT theory occur over?

  40,000 years
• In the AXIAL TILT theory, what does a MORE TILTED earth lead to?

  The seasons become more pronounced
• What is the WOBBLE theory?

  The earth wobbles as it orbits, affecting the seasons
• What is another term for the WOBBLE theory?

  Precession
• On how many years does the WOBBLE theory occur?

  21,000 years
• What could happen when all 3 Milankovitch cycles collide at their lowest point of insolation?

  They could potentially trigger an ice age