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The planetary mercury has a solid inner nucleus about the size of Earth's

Mercury surface Photo: MESSENGER A new analysis has shown that mercury, like Earth, has a solid inner nucleus. And the core of Mercury is about the size of our planet. I'm biased here, but Mercury is an incredible, mysterious planet that continues to deliver exciting results for scientists. Most intriguing is that the movement deep into the planet, just like …

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The ice that Earth's glaciers have lost weighs up to 27 billion tons

The total ice loss in the world between 1961 and 2016. Image: European Space Agency / adapted by Zemp et al. (2019) Nature / Data by courtesy of World Glacier Monitoring Service By Mark Kaufman 2019-04-08 18:50:07 UTC Nine trillion tons. So much ice has been lost to Earth's glaciers in the 55 years between 1961 and 2016. An international …

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New Findings on How Sun's Strong Magnetic Field Affects Earth Earth's Magnetic Field | the earth | the solar wind | Solar magnetic field | Magnetic field | NASA | Solar telescope at the observatory Roque de los Muchachos The magnetic field of the sun

According to a study that can influence the understanding of the Sun's atmosphere and its impact on Earth, the sun's magnetic field is ten times stronger than previously thought. From the Swedish 1 meter solar telescope at Roque de los Muchachos The Observatory in the Canary Islands, David Kuridze, Research Fellow at Aberystwyth University in the United Kingdom, studied a …

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Earth's gravitational wave detector, LIGO, is online again and now stronger

One of the most remarkable experiments in history – a pair of giant machines observing wave-waves, known as gravitational waves, in space-time, will wake up from a half-year nap on Monday. And it will be about 40% stronger than before. This experiment is called the Laser Interferometer Gravitational Wave Observatory (LIGO). It consists of two huge, L-shaped detectors, which together …

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A meteor explodes in the Earth's atmosphere with 10 times the energy of the Hiroshima atomic bomb

The event is properly called "fireball," NASA's term for "exceptionally bright meteors that are spectacular enough to be seen over a very wide area." With an impact energy of 4.2 kiloton, December's fireball is the second-most powerful to enter Earth's atmosphere in 30 years. You may recall the first – it was that huge, blinding fireball that rocked parts of …

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Some Humans Can Sense Earth's Magnetic Field, Fascinating Experiment Suggests

Weak magnetic fields were shown to influence brainwave patterns in humans, according to new research. Pictured here are neurons (green), which produce brain waves. Image: Gerry Shaw / Wikimedia The ability to sense the Earth's magnetic field-a trait known as magnetoreception-is well-endowed among many animals, but researchers have struggled to show that humans are so capable of the feat. Until …

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A radical discovery of waterfalls could rewrite the history of Earth's landscapes

Waterfalls are one of the most majestic things in the world: a beautiful, thundering display of water and physics. But where did these cascading creations come from? Conventional wisdom states that waterfalls are formed by external influences such as earthquakes, landslides, or sea level changes that significantly alter and destroy landscapes and riverbeds. However, it turns out that another, internally …

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