When pollution rises, sunlight fades In a nutshell After decades of “global dimming” caused by pollution, surface sunlight ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.

The Earth will experience its vernal equinox ... Shadows come from the sun shining down at an angle to you. On the spring equinox, the sun will be directly over the equator in the middle of ...