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Há 3 dias · CNN — A “planet parade” during which six planets will appear to align in the sky near dawn is on the way, but only three planets will be visible with the naked eye — and the phenomenon is...
8 de mai. de 2024 · Researchers using NASA’s James Webb Space Telescope may have detected atmospheric gases surrounding 55 Cancri e, a hot rocky exoplanet 41 light-years from Earth. This is the best evidence to date for the existence of any rocky planet atmosphere outside our solar system.
27 de mai. de 2024 · This article provides an overview of the scientific background related to the subject of global warming. It considers the causes of rising near-surface air temperatures, the influencing factors, the process of climate research and forecasting, and the possible ecological and social impacts of rising temperatures.
- Human activity affects global surface temperatures by changing Earth’s radiative balance—the “give and take” between what comes in during the day a...
- Global warming, the phenomenon of increasing average air temperatures near Earth’s surface over the past one to two centuries, happens mostly in th...
- 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...
16 de mai. de 2024 · Benji previously worked as a wildlife researcher. Several years ago, the world’s top climate scientists made a frightening prediction: If the planet warms by 1.5 degrees Celsius, relative to...
- Benji Jones
11 de mai. de 2024 · In-depth. What happened? Activity on the surface of the Sun generates space weather that spreads outwards, across the Solar System. Last week, a very large active region on the Sun facing our planet erupted multiple times and hurled a big solar storm in the direction of Earth.
26 de mai. de 2024 · The bar magnet is a simple model illustrating what happens for the magnetic Earth itself. Earth's north and south magnetic poles are analogous to those of the bar magnet, our planet's magnetic ...
24 de mai. de 2024 · Six of the planets of the Solar System are about to line up for a rare sight in Earth's sky. In the wee small hours of 3 and 4 June 2024, Mercury, Mars, Jupiter, Saturn, Neptune, and Uranus will appear in a straight line in an alignment known as a planet parade.
