Summer solstice: find out why today (21) is the longest day of the year

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This Wednesday, December 21, the phenomenon known as summer solstice here in the southern hemisphere.

The event takes place specifically at 6:47 pm, when the planet Earth reaches an inclination of approximately 23.5º in relation to the Sun. With this, the sun's rays directly reach the line of the tropics.

Today (21) is considered the longest day of the year, as the sun's rays will reach the countries of the southern hemisphere for longer than usual.

The astronomical phenomenon marks the beginning of the summer, which happens to spring and precedes the fall. The season remains until 6:25 pm on March 20th.

Check out the video below for more details about the seasons and the solstices and equinoxes events:

Know what the solstices are

You solstices are phenomena that occur due to the movement of translation of planet Earth.

This movement directly affects our daily life, resulting in addition to the solstices also from the equinoxes.

The solstice happens when sunlight falls longer on one hemisphere than the other. This is due to the Earth's tilt on its own axis.

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Thus, on the summer solstice, the day becomes longer than the night, and on the winter solstice, the night becomes longer than the day. These events mark the beginning of the respective seasons.

Check also: what is the solar system, the order of planets and stars

Do not stop now... There's more after the publicity ;)

What to expect from summer?

The main features of summer is the rising temperatures and das rains.

Generally the days are longer than the nights due to the greater incidence of solar rays on Earth.

Sudden weather changes occur frequently, such as summer rains, known for being those rains of rapid duration. They are also usually intense and can happen in the late afternoon, when water evaporation rates (rivers, lakes and seas) are highest.

Read too:what is daylight saving time?

By Lucas Afonso
Journalist

Teachs.ru
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