Simon Proud, a scientist from the Center for Earth Observation in the UK, shared a descriptive video the dawn line (the dividing line between day and night) because it moves all year round.
Video synthesized from images taken with the Meteosat weather satellite. (Video: Space)
Video using data Meteosat, weather satellite shows how sunlight travels across the Earth’s surface throughout the year. It’s the result of combining 365 photos, all taken at 6 a.m. every day for the past year, Space announced June 21.
In the video, Earth changes through the year can be seen making the day longer or shorter from north to south as the planet orbits the Sun. The northern hemisphere experiences the longest day of the year when the planet experiences the summer solstice at 10:57 p.m. on June 21, according to Hanoi time.
The summer solstice is when the Northern Hemisphere is most tilted towards the Sun, thus receiving the darkest amount of sunlight during the day. That means it’s the longest day for the half of the globe north of the equator, where summer peaks. But while the northern hemisphere is full of sunshine, the southern hemisphere experiences its darkest day in winter. After the summer solstice, the days in the southern hemisphere will start to get longer while the northern hemisphere will get shorter.
The northern hemisphere experiences the longest day of the year when the planet experiences the summer solstice at 10:57 p.m. on June 21
The northern hemisphere experienced the longest day of the year when the planet experienced the summer solstice at 10:57 p.m. on June 21.
in fact, the Sun does not actually move across the sky. The movement of the Sun in the sky is the result of the rotation of the Earth around its tilted axis. The arc of the Sun changes from day to day, widening in the northern hemisphere from the winter solstice in December to the summer solstice in June and vice versa.
The European meteorological satellite Meteosat observes the Earth from a geostationary orbit at an altitude of 36,000 km. Currently, the Earth begins to approach the autumnal equinox in September, marking the time when both hemispheres receive equal amounts of sunlight.
Article source: VnExpress
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Simon Proud, a scientist from the Center for Earth Observation in the UK, shared a video illustrating the dawn line (the dividing line between day and night)…