Japan’s Himawari weather satellite detected a hybrid solar eclipse on April 19 from geostationary orbit at an altitude of 36,000 km, which is 10 times higher than the International Space Station.
The Moon’s shadow passes over the Earth during a total solar eclipse. (Video: Simon Proud).
Meteorologist Simon Proud works with the British Center for Earth Observation, processing the data and sharing it on Twitter on April 20. In the video, the Moon’s shadow moves from left to right.
On April 19 and 20, the Moon moved in front of the Sun, creating a solar eclipse in parts of Earth. But this event is very rare because it is a hybrid solar eclipse, appearing differently when viewed from different places around the globe, like a circular, total or partial eclipse. The Moon’s shadow swept across Western Australia to East Timor and Indonesia from 9:36 p.m. April 19 to 2:59 p.m. April 20 local time (9:36 a.m. April 20 to 2:59 p.m. April 20, Hanoi time).
The Moon’s shadow moves from left to right.
The Moon’s shadow moves from left to right.
Hybrid Eclipse is the result of two factors: the curvature of the Earth and the shadow of the Moon. The Moon’s shadow consists of two parts, the lighter and shallower outer shadow is called the semi-dark region and the darker inner shadow is called the umbra region. During a hybrid eclipse, when the Moon’s shadow falls on Earth, the planet is in the semi-dark region and only a circular eclipse can be observed. However, as the shadow slid across the planet’s surface, Earth’s curve caused some areas to fall into shadow and experience a total solar eclipse.
Hybrid eclipses usually have a second change point when a total eclipse turns into an annular eclipse. This is because the curve of the Earth again moves away from the shadow and falls into the semi-dark region. According to Carter, the two shifting landmarks are located in remote locations in the middle of the ocean.
Article source: VnExpress
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Japan’s Himawari weather satellite detected a hybrid solar eclipse on April 19 from geostationary orbit at an altitude of 36,000 km, which is 10 times higher than the International Space Station.
