Heat lightning is simply faint flashes of light reflecting outward...

Condensation is the change of a substance from a gaseous...

Hard rime is a white colored ice caused by water...

For astronomers, the day that the sun’s path and the...

Clear ice is a natural weather event that occurs when air...

Arctic haze is a phenomenon that occurs in the atmosphere...

Search for Extra-Terrestrial Intelligence (SETI) — SETI (pronounced SEH-tee) stands...

String Theory It is a physical model whose fundamental building...

Terraforming Terraforming (literally, “Earth-shaping”) is the process of modifying a...

Retrograde Motion Retrograde motion is the orbital motion of a...

M-Theory It is the name of the unknown theory of...