Star Vega

We usually think of the Earth's axis as being fixed in direction - after all, it always seems to point toward Polaris, the North Star. But the direction is not quite constant: the axis does move, at a rate of a little more than a half-degree per century. So Polaris has not always been, and will not always be, our North star. For example, when the pyramids were built, around 2500 BCE, the pole was near the star Thuban. This star is also known as Alpha Draconis and belongs to the constellation of Draco. This gradual change in the direction of the Earth's axis, called precession, is caused by gravitational torques exerted by the Moon and Sun on the spinning, slightly oblate Earth.

12,000 years from now our North Star will be the Star of Vega.

The Earth’s resistance against electromagnetic fields is weakest at the poles.
This causes warmer and colder climates and the raise and fall of animal and vegetable life, including the dinosaurs, waxing and waning of world communities and even the appearance and destruction of continents.

Along Earth’s journey through eras covering thousands of years, human thinking may change from a more material type of thinking to a more spiritual type of thinking and back.

Seasons are reversed in the Northern and Southern hemispheres.

When the North Pole is tilted away from the Sun, the South Pole is tilted toward it. As a result, summer is in full swing South of the equator when on the Northern hemisphere it is winter.

The seasons on our planet are caused by the axis of the earth pointing somewhat toward the North Star (Polaris) at an angle of approximately 23.45° during our times.

Over the course of approximately 95,000 years, the Earth's orbit around the sun changes from elliptical (with as much as 30% difference between the closest approach of Earth to the Sun and greatest distance), to somewhat inclined to a circle (with only 6% difference between closest approach of Earth to the Sun and greatest distance) and back again, which means that the distance between the Earth and the Sun varies over the course of the year. The earth takes exactly 365 days, 5 hours, 48 minutes, and 46 seconds to make one revolution around the sun.

Although on the Northern hemisphere the shortest day of the year is on the Winter Solstice, Earth did not approach the sun on its closest point on this day just yet.

Due to its elliptical path around the sun, Earth will be at a distance from the sun anywhere between 147.5 million km. (91.4 million miles) – when it is closest to the sun and called perihelion – and 152.6 million km. (94.5 million miles) – when it is at the greatest distance from the sun and called aphelion.

In our times perihelion occurs around 4 January, while aphelion occurs near 4 July.

Due to the fact that the Northern hemisphere has more land and the Southern Hemisphere has more oceans - and due to the fact that land has a lower heat capacity than water, so that sunlight raises the temperature of continents more than it does oceans -, Northern hemisphere summer in July when the Sun is more distant than usual is a bit warmer than its counterpart on the Southern hemisphere in January.

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