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The annular solar eclipse on October 2, 2024, will be a remarkable celestial event. When the moon passes between the Earth and the sun, it will create a ring of fire visible from parts of the Southern Hemisphere. But how fast will this event unfold across the planet?

Why the Eclipse Speed Varies

The speed at which the moon’s shadow moves during the eclipse will differ based on your geographical location. The shadow is not uniform and will shift as it crosses different parts of the Earth. The curvature of the Earth, combined with the changing distance between the moon and the ground below, affects how quickly the shadow travels across the surface.

Where the Shadow Will Move the Fastest

In some areas, particularly when the eclipse is just beginning or ending, the shadow of the moon will race at incredible speeds. At these extreme points, the moon’s shadow will exceed 10 million km/h. This rapid movement occurs when the shadow hits the Earth at a sharp angle, causing the eclipse to flash across the sky in just moments.

Where the Shadow Will Move the Slowest

At certain points, particularly over the Pacific Ocean, the eclipse will slow down dramatically. In this region, the shadow of the moon will crawl at speeds of approximately 2,057 km/h. This is where the eclipse will last the longest, with the ring of fire remaining visible for several minutes, allowing observers to enjoy a prolonged view of this unique event.

What Causes the Speed Fluctuations?

The differing speeds are due to several factors. The eclipse begins when the shadow of the moon first makes contact with the Earth, which occurs at a steep angle, causing the shadow to move quickly. As the eclipse progresses, the shadow begins to strike the Earth more directly, slowing it down. The final factor is the distance between the moon and the Earth, which constantly shifts and further influences the speed.

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Astronomers Reveal Sudden Explosion of Small Asteroid Over France

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In February 2023, asteroid 2023 CX1 exploded suddenly over France, stunning scientists. Tracked only hours before impact, the tiny rock disintegrated in a powerful airburst, scattering meteorites across Normandy. The rare event provides crucial insights into asteroid behavior and raises new considerations for future planetary defense strategies.

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Rare ‘Crescent Sunrise’ Solar Eclipse to Grace Skies Over Antarctica and New Zealand

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A rare partial solar eclipse will bring a crescent sunrise on Sept. 21–22, coinciding with the equinox. Skywatchers in New Zealand, Antarctica, and the South Pacific will witness up to 86% of the sun obscured at dawn, creating one of the most striking celestial spectacles short of a total eclipse.

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Sun Shows Signs of Rising Activity Following Decades of Weakening, Study Finds

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A new NASA study shows the Sun’s activity has been rising since 2008, reversing decades of decline. The unexpected trend suggests greater risks from solar storms, flares, and plasma ejections. Scientists stress improved forecasting is essential, with upcoming missions like IMAP and SWFO-L1 set to expand space weather monitoring and protection efforts.

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