During a solar eclipse, astronomers who study heliophysics are able to study the sun's corona—its outer atmosphere—in ways they are unable to do at any other time.
Astronomy
Aug 4, 2025
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Recreating artificial solar eclipses in space could help astronomers decipher the inner workings of our sun much quicker than if they had to wait for the celestial show on Earth.
Astronomy
Jul 8, 2025
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A pair of European satellites have created the first artificial solar eclipses by flying in precise and fancy formation, providing hours of on-demand totality for scientists.
Planetary Sciences
Jun 16, 2025
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The astronomical records of imperial China are some of the most comprehensive archives in the history of science, spanning over two millennia, from 221 BC to 1911 AD, and providing detailed insight into phenomena ranging ...
Astronomy
Jun 3, 2025
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An international study has revealed spruce trees not only respond to a solar eclipse but actively anticipate it by synchronizing their bioelectrical signals hours in advance into a cohesive, forest-wide phenomenon.
Plants & Animals
Apr 30, 2025
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Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.
Astronomy
Apr 23, 2025
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For some Dallas-area scientists, the total solar eclipse on April 8, 2024, was more than just a once-in-a-lifetime cosmic spectacle: It was a rare and invaluable research opportunity, the perfect controlled experiment.
Astronomy
Apr 8, 2025
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A study published in Scientific Reports reveals how birds responded to the April 8, 2024, total solar eclipse across North America. The study finds bird vocalizations significantly declined only where more than 99% solar ...
Plants & Animals
Apr 8, 2025
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One of the first verified predictions of general relativity is the gravitational deflection of starlight. The effect was first observed in 1919 during a total solar eclipse. Since stars appear as points of light, the effect ...
Astronomy
Apr 1, 2025
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The moon will appear to take bites out of the sun this weekend during a partial solar eclipse in the Northern Hemisphere—but make sure to protect your eyes.
Space Exploration
Mar 28, 2025
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A solar eclipse occurs when the moon passes between the Sun and the Earth so that the Sun is fully or partially covered. This can only happen during a new moon, when the Sun and Moon are in conjunction as seen from the Earth. At least two and up to five solar eclipses can occur each year on Earth, with between zero and two of them being total eclipses. Total solar eclipses are nevertheless rare at any location because during each eclipse totality exists only along a narrow corridor in the relatively tiny area of the Moon's umbra.
A total solar eclipse is a spectacular natural phenomenon and many people travel to remote locations to observe one. The 1999 total eclipse in Europe helped to increase public awareness of the phenomenon, as illustrated by the number of journeys made specifically to witness the 2005 annular eclipse and the 2006 total eclipse. The recent solar eclipse of January 26, 2009 was an annular eclipse (see below), while the solar eclipse of July 22, 2009 was a total solar eclipse.
In ancient times, and in some cultures today, solar eclipses have been attributed to supernatural causes. Total solar eclipses can be frightening for people who are unaware of their astronomical explanation, as the Sun seems to disappear in the middle of the day and the sky darkens in a matter of minutes.
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