Summer solstice 丨 live up to time

Author:Zijin Mountain Observatory of Time:2022.06.21

"The lotus leaves are infinitely clear, and the lotus lotus is red." "Chinese astronomical calendar" shows that at 17:14 on June 21, the 2022 "Summer Solstice" solar terms were ushered in.

Phenomenon forecast

Summer Solstice -Xiaotu

sun

Run from Taurus to Gemini. At present, the development of the solar is enhanced. There are several groups of sunspots in the north -south hemisphere in the front of the sun, which can be observed by a telescope with light reduction.

moon

At 10:14 on July 7, the moon rose at noon, and it was hung in the south sky in the evening.

Mercury

Run from Taurus to Gemini. Mercury has passed the western distance, the observation conditions are gradually deteriorating, and the east is low before the sunrise.

Venus

Rush in Taurus. Before sunrise, it was low in the east, visible to the naked eye, and very bright.

Mars

Stroke in Pisces. At 02:16 on June 23rd, Mars is in the moon, and Mars can be seen in some areas of the South Pacific. It can be seen that the lunar moon and Mars can be seen in my country.

Jupiter

From Pisces to Whale. On June 29th, Jupiter's Western photo, the observation conditions are getting better and better. It can be seen in the southeast during sunrise.

Saturn

Increase in Capricorn. It rises around 11 o'clock in the evening, and can be observed before dawn in the middle of the night.

tips

The orbit of the earth running around the sun is not positive, but an ellipse of 0.0167. Therefore, the distance between the daily and ground is not fixed, and the distance is about 5 million kilometers farther than the recent days. On July 4, 2022, the earth passed the rails at 15:11 on the orbit, and the daily distance was 1.0167 astronomical units, about 152.1 million kilometers. On the 4th, the earth's diameter that the earth saw on the 4th day was about 3.4%. The orbit of the ellipse also caused the solar anniversary movement to be uneven. The length is not the same. For example: 2021 Autumn equinox (3:21 on September 23) to the spring equinox of 2022 (23:33 on March 20) is 178 days, 20 hours and 12 minutes; 2022 spring equinox to 2022 autumn equinox equinox equinox, 2022 autumn equinox equinow (9:44 on September 23) is 186 days, 9 hours and 31 minutes.

The changes in the distance between the daily and ground are not the cause of the four seasons. On the contrary, when the earth is too far, the northern hemisphere is in the hot summer. The changes in the four seasons are mainly affected by the corner of the yellow and red. Due to the existence of the yellow -red corner, the direct point of the sun on the earth moves between 23 ° 26 ′ north and south latitude. In summer, the sunlight of the northern hemisphere is high, the light time is long, and the radiation energy received is more, so it is hot.

The Summer Solstice

On June 21st, 17:14 (Beijing time), the longitude of the sun reaches 90º,which marks the tenth solar term of Year 2022—Summer Solstice. At this time, the Sun is at the northernmost point on the eclipticand shines vertically towards the Tropic of Cancer. At Summer Solstice, the Northern Hemisphere experiences the longest day and shortest night of the year; however, because of the difference between true solar time and mean solar time, Summer Solstice is not the day on which the Sun rises the Earliest or sets the latest.

Astronomical Forecast

Summer SolStice -Minor Heat

⊙the Sun

The sun travels from Taurusto Gemini. Currently, solar activities are increasing. On the front surface of the Sun, several groups of sun spots can be observed on both northern and southern hemisphere through a telescope with a light filter device.

☽The Moon

On July 7th, 10:14, The Moon is the First Quartermoon. It rises at noon and haangs high in the southern sky at dusk.☿mercury

Mercury Travels FomTaurusto Gemini.it Has ALREADY PASSED ITS GREATEST WERONGATION, MAKING It Harder to Be Observed. It Appears in the Low Easter Before Sunrise.

♀venus

Venus Travels in Program Motion Intaurus. BeFore Sunrise, It Appears in the Low Eastern Sky. Extreme Bright Venus Can with the named Eye.

♂mars

Mars travels in prograde motion in Pisces.It is at conjunction with the Moon on June 23rd, 02:16. In some areas in the Southern Pacific Ocean, people can see Mars occulting the Moon. In China, the waningmoon can be seen rising with Mars.

♃jupiter

Jupiter travels in prograde motion fromPiscesto Cetus. It experiences western quadrature on June 29th and becomes more and more suitable for observation. It can be seen on the south-eastern sky before sunrise.

♄Saturn

Saturn Travels in RetroGrade Motion in Capricornus. It rises at 11 PM and Can be observed from midnight to dawn.

Editor -in -chief: Zhang Ye

Production, editor: Wang Kechao

English version design: Zhu Manqing

(Jinling Middle School) zhu manqing

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