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17 Sep 2023 08:20:36 UTC
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APOD: 2023-09-17 - Moon Mountains Magnified during Ring of Fire Eclipse (Narrated by Brian)
Astronomy Picture of the Day - September 17th, 2023 - Moon Mountains Magnified during Ring of Fire Eclipse (Narrated by Brian)

What are those dark streaks in this composite image of a solar eclipse? They are reversed shadows of mountains at the edge of the Moon. The center image, captured from Xiamen, China, has the Moon's center directly in front of the Sun's center. The Moon, though, was too far from the Earth to completely block the entire Sun. Light that streamed around the edges of the Moon is called a ring of fire. Images at each end of the sequence show sunlight that streamed through lunar valleys. As the Moon moved further in front of the Sun, left to right, only the higher peaks on the Moon's perimeter could block sunlight. Therefore, the dark streaks are projected, distorted, reversed, and magnified shadows of mountains at the Moon's edge. Bright areas are called Baily's Beads. Only people in a narrow swath across Earth's Eastern Hemisphere were able to view this full annular solar eclipse in 2020. Next month, though, a narrow swath crossing both North and South America will be exposed to the next annular solar eclipse. And next April, a total solar eclipse will be visible across North America. Open Science: Browse 3,000+ codes in the Astrophysics Source Code Library

Image Credit & Copyright:
Wang Letian
(Eyes at Night)

Source: https://apod.nasa.gov/apod/ap230917.html

This video was auto generated using data from NASA Open API.
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https://www.youtube.com/watch?v=zv4aUSpIars
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