Activity from the sun, such as solar flares, can cause fluctuations in Earth's geomagnetic field that send electrical currents flowing through power grids. These geomagnetically induced currents (GICs) can cause problems ...
Earth Sciences
Dec 5, 2023
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Researchers at the Center of Excellence in Space Sciences India at IISER Kolkata have discovered a new relationship between the sun's magnetic field and its sunspot cycle, that can help predict when the peak in solar activity ...
Astronomy
Nov 28, 2023
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282
Stars are gravitationally fastened to their galaxies and move in concert with their surroundings. But sometimes, something breaks the bond. If a star gets too close to a supermassive black hole, for example, the black hole ...
Planetary Sciences
Nov 27, 2023
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A bewildering number of factors and variables led up to the planet we occupy today, where life finds a way to survive and even thrive in the most marginal conditions. The sun is the catalyst for it all, propelling life on ...
Planetary Sciences
Nov 16, 2023
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Scientists are turning to artificial intelligence (AI) to view the sun's poles—or at least produce an educated guess of what the sun's poles might look like, since they've never been observed before.
Astronomy
Nov 15, 2023
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If you can get your hands on a telescope, there are few sights more spectacular than the magnificent ringed planet—Saturn.
Planetary Sciences
Nov 10, 2023
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106
Sunflowers famously turn their faces to follow the sun as it crosses the sky. But how do sunflowers "see" the sun to follow it? New work from plant biologists at the University of California, Davis, published Oct. 31 in PLOS ...
Plants & Animals
Oct 31, 2023
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445
Our sun is a steady and everlasting companion. Reliable like a clock, its apparent passage across the sky allows us to measure time. The sun and its path is also the source of Earth's seasons. But in many respects, our sun ...
Astronomy
Oct 26, 2023
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39
The 11-year solar activity cycle is a well-known phenomenon, during which the intensity of the sun's magnetic field varies and its polarities reverse. Over the past 30 years, astronomers have identified similar behavior in ...
Astronomy
Oct 25, 2023
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7
Earth is our only example of a habitable planet, so it makes sense to search for Earth-size worlds when we're hunting for potentially-habitable exoplanets. When astronomers found seven of them orbiting a red dwarf star in ...
Planetary Sciences
Oct 23, 2023
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