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1. www.nationalgeographic.com › science › articleHow a rare, ‘once-in-20-years’ aurora formed at the North Pole

   www.nationalgeographic.com › science › article

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   4 giorni fa · Scientists have identified the phenomenon as a polar rain aurora, never seen before from the ground. On December 25 and 26, 2022, researchers documented a rare polar rain aurora from Longyearbyen ...

2. www.science.org › content › articleScientists observe ‘polar rain’ aurora from Earth for the ... -...

   www.science.org › content › article

   20 ore fa · On 25 December 2022, Norwegians woke up to a light dusting of snow and a downpour of extra-energetic electrons streaming straight from the Sun. When the solar wind died down, this “polar rain” caused a gigantic, diffuse green aurora that covered Earth’s entire northern polar cap—almost 4000 kilometers across, researchers reported last ...

3. polarr.en.uptodown.com › androidPolarr for Android - Download the APK from Uptodown

   polarr.en.uptodown.com › android

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   4 giorni fa · Download the APK of Polarr for Android for free. A professional photography editor. Polarr is a photo-editing app that lets you do much more than just use...

   • 4,3/5 (93)
   • Sistema operativo: Android

   • Categoria: Photography
   • Software Version: 6.8.10

   • No, Polarr is not a completely free app. While it has free filters and features available, you need a subscription to access many more.
   • Yes, Polarr is considered one of the best free photo editing tools. Many find it more intuitive and accessible than Photoshop, while still keeping...
   • No, you cannot edit RAW photos with Polarr. Currently the app does not support this file format.
   • Yes, you can use Polarr offline. Although some Polarr features may require an Internet connection, you can use the basic ones offline.

4. www.nationalgeographic.es › ciencia › 2024¿Qué es una aurora de lluvia solar y por qué es tan rara? |...

   www.nationalgeographic.es › ciencia › 2024

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   1 giorno fa · Los días 25 y 26 de diciembre de 2022, los investigadores documentaron una rara aurora de lluvia polar desde Longyearbyen (Noruega), que se ve arriba debajo de la aurora boreal más común. Las auroras de lluvia polar se forman mediante un mecanismo diferente al de las auroras típicas y son muy difíciles de observar.

5. www.runtothefinish.com › polar-oh1-reviewPolar OH1+ Review | Most Ideal HR Monitor - RunToTheFinish

   www.runtothefinish.com › polar-oh1-review

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   1 giorno fa · Let’s dive in to the Polar OH1+ review and find out! For many years, we’ve called the chest strap the gold standard for HR monitoring during activity. This is largely because it’s wildly more accurate than an optical wrist based reading. In fact, a chest strap is considered up to 99.6% accurate when used correctly, for a non-medical grade ...

6. www.britannica.com › place › ArcticArctic - Polar, Tundra, Climate | Britannica

   www.britannica.com › place › Arctic

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   4 giorni fa · Arctic - Polar, Tundra, Climate: The climates of polar lands vary greatly depending on their latitude, proximity of the sea, elevation, and topography, but, even so, they all share certain “polar” characteristics. Owing to the high latitudes, solar energy is limited to the summer months.

7. www.cbc.ca › news › canadaGrolar bear hybrids in N.W.T. all traced back to same 'strange'...

   www.cbc.ca › news › canada

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   5 giorni fa · A family of polar and grizzly bear hybrids, or grolars, in Canada's western Arctic — which all started with a "pretty strange" female polar bear — is "quite rare," according to a new study ...