When I wake up in the morning, I can see with my naked eye that there is a black dot on the lower ri

The transit of Venus, or the transit of Mercury, the orbit of Venus is on the inner side of the Earth's orbit, and at some special moments, the Earth, Venus, and the Sun will be in a straight line, and Venus can be seen from the Earth moving slowly on the surface of the Sun like a small black dot, which is called "Venus Transit" in astronomy.

The transit of Venus is usually calculated in hours (2004 and 2012, lasting about 6 hours). In principle, it is similar to a solar eclipse, although Venus is almost four times the diameter of the Moon. Venus is much smaller when viewed from Earth because it is farther away from Earth.

Before modern astronomy, people used parallax to measure the distance between the Sun and the Earth by observing the transit of Venus.

Venus is the inner planet of the Earth and it takes days to make one revolution around the Sun and 56 days for the Earth to complete one revolution around the Sun. Their conjunction period is the Celestial Period, which is the time interval between two consecutive conjunctions of Venus. The transit of Venus can be divided into two types:

One is the transit of Venus at the descending node, which occurs around June 8. At that time, Venus passes through the sun (ecliptic) from north to south; One is the transit of Venus at the ascending node, which occurs around December 10, when Venus passes through the sun (ecliptic) from south to north. It is generally believed that the transit of Venus at the descending and ascending nodes alternates in pairs and is equal in number.

Actually, the two are not equal in number, i.e. there are more transit times of Venus at the descending node than at the ascending node. From 902 to 29 84 AD, there were 32 transits of Venus, of which 18 were at the descending node and only 14 at the ascendant. The reason why there are more transits of Venus at the descending node than at the ascending node is the transit of Venus at the descending node (around June 8), which is far from the Earth, reaching 43.21 million kilometers; On the transit of Venus at the ascending node, Venus is relatively close to the Earth, only 39.47 million kilometers.

All things being equal, if you are farther away from Earth, there is a greater chance of a transit of Venus.

I don't know, could it be the legendary black spot?

The black spot on the sun is sunspots, which is a kind of solar activity that occurs on the sun's photosphere, and is the most basic and obvious activity phenomenon in solar activities, it is generally believed that sunspots are actually a huge vortex of hot gas on the surface of the sun, with a temperature of about 4500 degrees Celsius, because the surface temperature is lower than the sun's photosphere, so it looks like some dark spots.

Sunspots rarely move alone. Often in groups. The campaign period is annual.

At that time, it will cause damage to the earth's magnetic field and various electronic products and appliances. Characteristics of sunspots A fully developed sunspot consists of a darker core and a brighter part around it, with a depression of about 500 kilometers in the middle. Sunspots often appear in pairs or groups, with the majority of them consisting of two main sunspots.

The one in the west is called the "leading sunspot", and the one in the east is called the "follower sunspot".

The black dots on the sun are called sunspots, and they are the points where the temperature is lower relative to the surroundings.

Sunspot. The area is 50 times the surface area of the earth, so it is so large that it can be seen.

Is it sunspots? Could it be that the earth is going to be catastrophic.

<>You may see a relatively large sunspot, I didn't believe it at first, but I saw someone else in our astronomy enthusiast association group just took a ** this morning....They also said that with the naked eye, I didn't ...... the window facing thereThis is what they preached at the time, and it was only half past seven before someone happily said that they saw the sunspot with the naked eye.

According to foreign news reports: The super solar flare erupted on the 22nd with an area 14 times that of the earth.

On October 22, a supersolar flare was released on the surface of the Sun, named "AR12192", which is 14 times larger than Earth and close to Jupiter. It is the brightest solar flare ever observed by the Solar Dynamics Observatory. According to the Met Office, this is the largest observed solar flare in 25 years, and it is so large that it can be seen directly from the Earth's surface.

Luckily, it's a sunspot that you can see.