Monthly Archives: February 2019

Hailstones in Our Lawn

Posted on February 7, 2019 by Rashid Faridi

Hail is a form of precipitation that falls from the sky as pellets of ice. The pellets can range in size from small pea-sized pellets to hailstones as large as grapefruits (more on hail size below). The formation of hail … Continue reading →

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Obliquity, inclination and eccentricity of Earth – a model: Part 2

Posted on February 5, 2019 by Rashid Faridi

Originally posted on Tallbloke's Talkshop:
Kepler’s trigon – the orientation of consecutive Jupiter-Saturn synodic periods, showing the repeating triangular shape (trigon). This of course follows on from the very recent Part 1 of the model. Since Jupiter and Saturn…

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Obliquity, inclination and eccentricity of Earth – a model: Part 1

Posted on February 4, 2019 by Rashid Faridi

Originally posted on Tallbloke's Talkshop:
Earth’s Axial Tilt, or Obliquity [Credit: Wikipedia] First let’s get the approximate target numbers for the model. ‘The inclination of Earth’s orbit varies with respect to the solar system’s invariant plane with a period…

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Intervening Obstacles in Migration

Posted on February 4, 2019 by Rashid Faridi

Intervening obstacle is an environmental or cultural feature that hinders migration Intervening opportunities Intervening opportunities are the nature and number of possible alternative migration destinations which may exist between place A (migration origin) and place B (migration destination). Intervening obstacles are factors … Continue reading →