Rare ‘ring of fire’ solar eclipse to dim Africa, Asia

File photo by EPA/NSASA/TERRY VIRTS HANDOUT

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Skywatchers along a narrow band from west Africa to the Arabian Peninsula, India and southern China will witness on Sunday the most dramatic “ring of fire” solar eclipse to shadow the Earth in years.

Annular eclipses occur when the Moon — passing between Earth and the Sun — is not quite close enough to our planet to completely obscure sunlight, leaving a thin ring of the solar disc visible.

They occur every year or two, and can only been seen from a narrow pathway across the planet.

Remarkably, the eclipse on Sunday arrives on the northern hemisphere’s longest day of the year — the summer solstice — when Earth’s north pole is tilted most directly towards the Sun.

The “ring of fire” will first be seen in northeastern Republic of Congo at 5:56 local time (04:56 GMT) just a few minutes after sunrise.

This is the point of maximum duration, with the blackout lasting 1 minute and 22 seconds.

Arcing eastward across Asia and Africa, it will reach “maximum eclipse” — with a perfect solar halo around the Moon — over Uttarakhand, India near the Sino-Indian border at 12:10 local time (6:40 GMT).

More spectacular, but less long-lived: the exact alignment of the Earth, Moon and Sun will be visible for only 38 seconds.

A solar eclipse always occurs about two weeks before or after a lunar eclipse, when the Moon moves into Earth’s shadow. Lunar eclipses are visible from about half of Earth’s surface.

There will be a second solar eclipse in 2020 on December 14 over South America. Because the Moon will be a bit closer to Earth, it will block on the Sun’s light entirely.

It will take less than 100 minutes for the path of this eclipse to move across the continent.

Read more via France 24/AFP

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