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Hace 3 días · aurora, luminous phenomenon of Earth’s upper atmosphere that occurs primarily in high latitudes of both hemispheres; in the Northern Hemisphere auroras are called aurora borealis, aurora polaris, or northern lights, and in the Southern Hemisphere they are called aurora australis or southern lights.
- Aurora
Auroras are dazzling displays of colored light that...
- Northern Lights
atmospheric phenomenon. Actions Cite verifiedCite While...
- Ionosphere and Magnetosphere
ionosphere and magnetosphere, regions of Earth’s atmosphere...
- Zenith
zenith, point on the celestial sphere directly above an...
- Solar Flares
solar flare, sudden intense brightening in the solar corona,...
- Southern Lights
atmospheric phenomenon. Actions Cite verifiedCite While...
- Aurora
Hace 4 días · A full moon occurs when the side of the Moon facing Earth is fully lit up by the Sun. There are a few different types of unusual full moon types, which include blood moons, supermoons, blue moons, and harvest moons, and others. When you look up at the night sky, you might notice that the Moon looks a little different each night.
Hace 4 días · There, the particles interact with gases in our atmosphere resulting in beautiful displays of light in the sky. Oxygen gives off green and red light. Nitrogen glows blue and purple. These green bands of light in the winter sky above Alaska are an aurora borealis. This is the name for an aurora in the Northern Hemisphere. Credit: Sarah Histand.
Hace 3 días · La Niña, cyclic counterpart to El Niño, consisting of a cooling of surface waters of the Pacific Ocean along the western coast of South America. While its local effects on weather and climate are generally the opposite of those associated with El Niño, its global effects can be more complex. La
Hace 2 días · This creates dark spots of between 45 m and 1 km across. This same process creates characteristic "spider-shaped" patterns etched beneath the ice—and so these dark spots are a telltale sign that ...
16 de abr. de 2024 · El Niño is part of the natural climate phenomenon called the El Niño Southern Oscillation (ENSO). It has two opposite states: El Niño and La Niña, both of which significantly alter global weather.
6 de abr. de 2024 · The rapid dimming of the sun during a total solar eclipse heightens this phenomenon, called the "Purkinje shift," making the eclipse a potentially surreal event in which the most familiar objects ...
