George Malley
Search results
3 days ago · global warming, the phenomenon of increasing average air temperatures near the surface of Earth over the past one to two centuries.
3 days ago · Lightning is an atmospheric electrical phenomenon and contributes to the global atmospheric electrical circuit. The three main kinds of lightning are distinguished by where they occur: either inside a single thundercloud (intra-cloud), between two clouds (cloud-to-cloud), or between a cloud and the ground (cloud-to-ground), in which case it is ...
Sep 17, 2024 · rainbow, series of concentric coloured arcs that may be seen when light from a distant source—most commonly the Sun —falls upon a collection of water drops—as in rain, spray, or fog. The rainbow is observed in the direction opposite to the Sun.
- The Editors of Encyclopaedia Britannica
Sep 11, 2024 · lightning, the visible discharge of electricity that occurs when a region of a cloud acquires an excess electrical charge, either positive or negative, that is sufficient to break down the resistance of air. Is ball lightning real? Learn about the mysterious phenomenon of ball lightning. See all videos for this article.
- The Editors of Encyclopaedia Britannica
Sep 17, 2024 · The Short Answer: Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. Click above to watch this video about why the sky is blue!
2 days ago · Significant advances in astronomy came about with the introduction of new technology, including the spectroscope and photography. Joseph von Fraunhofer discovered about 600 bands in the spectrum of the Sun in 1814–15, which, in 1859, Gustav Kirchhoff ascribed to the presence of different elements.
6 days ago · El Niño and La Niña are the warm and cool phases of a recurring climate pattern across the tropical Pacific—the El Niño-Southern Oscillation, or “ENSO” for short.
