Recent content by magnetulsar

the Earth's orbit changes shape from circular to elliptical, and then back to circular. Circular of course is perfectly circular and so the Earth's average distance from the Sun is highly accurate and constant. That leads to colder temperatures. Because slight changes can cause a huge change in...

the Earth's orbit changes shape from circular to elliptical, and then back to circular. Circular of course is perfectly circular and so the Earth's average distance from the Sun is highly accurate and constant. That leads to colder temperatures. Because slight changes can cause a huge change in...

the Earth's orbit changes shape from circular to elliptical, and then back to circular. Circular of course is perfectly circular and so the Earth's average distance from the Sun is highly accurate and constant. That leads to colder temperatures. Because slight changes can cause a huge change in...