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9 de may. de 2024 · 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. The pattern shifts back and forth irregularly every two to seven years, bringing predictable shifts in ocean surface temperature and disrupting the wind and rainfall patterns ...
6 de may. de 2024 · 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.
13 de may. de 2024 · Una fuerte temporada de lluvias en la segunda mitad del año amenaza con traer inundaciones, ciclones tropicales y deslizamientos de tierra. Ya hizo colapsar un dique en la región de La Mojana
7 de may. de 2024 · In astrophysics, a white hole represents a theoretical phenomenon where matter and light would emerge from, rather than be pulled into, a certain area in space. It's the exact opposite of a black hole.
27 de may. de 2024 · Global warming, the phenomenon of increasing average air temperatures near Earth’s surface over the past one to two centuries, happens mostly in the troposphere, the lowest level of the atmosphere, which extends from Earth’s surface up to a height of 6–11 miles.
- Human activity affects global surface temperatures by changing Earth’s radiative balance—the “give and take” between what comes in during the day a...
- Continued global warming is expected to impact everything from energy use to water availability to crop productivity throughout the world. Poor cou...
- Polar bears live in the Arctic, where they use the region’s ice floes as they hunt seals and other marine mammals. Temperature increases related to...
Hace 2 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.
13 de may. de 2024 · Chemical elements there, such as oxygen and nitrogen, become ionized and glow in various colours, creating auroras. The lights are usually seen near Earth’s poles, but on 10 May, because of the ...
