While the planets model shows the Earth orbiting the sun, this model shows the perspective from Earth: the sun circles the sky once per year as projected on the background ... of the silver ball. The ...

Aside from sunlight, the sun sends out a gusty stream of particles called the solar wind. The ESA-led Solar Orbiter mission ...

To better understand the seasons, astronomy and other natural phenomena the ancient Chinese looked at the sun's circular motion and divided it into 24 segments called Solar Terms. The terms such as ...

From an astrological point of view, there are hardly two words that elicit a stronger reaction than Mercury retrograde.