Astronomer please? A master who understands astronomy is coming

My naysay: Lovely, I taught myself the theory of relativity when I was a freshman in junior high school.

With formulas, how can you do it without examples!

Formula: t=t'Under the root number (1 (v c) 2), let's give you an example problem!

Problem 1: A is in motion.

bStill on the ground.

The speed of motion of a is the speed of light.

A's watch shows that A has been exercising for 2h

Q: How much is time of A slower than time of B?

Answer: The speed of light is 300,000 kilometers per second.

v^2/c^2=(v/c)^2

t=γt'The time of t=a is 2 hours.

The time of b is hours.

The time of a is an hour slower than the time of b (

A's time is 1116 seconds slower than B's time (

Dynamic frenulum apostrophe, static tie without apostrophe. )

This is what I typed word by word, hard work! ~

How old are you? When I get into high school, I will understand the theory of relativity!

This is called the time delay effect, and the formula simply goes like this, t t'Under the root number (1 v 2 c 2).

In words: the observer's time intrinsic time (i.e., time on the vehicle) divided by the root sign (the ratio of 1 speed squared to the square of the speed of light).

The speed of light is generally calculated.

t=t0 root number (1-v 2 c 2), t is the time after expansion It seems to be calculated like this

The plasma ring is a huge ring composed of a large number of plasma, and plasma, also known as plasma, is an ionized gaseous substance composed of atoms after partial electrons are deprived and positive and negative electrons produced after atoms are ionized.

Rings of near-Earth plasma arise from solar flares, so it is important to explain what a solar flare is. A solar flare is a type of solar activity that occurs in the Sun's chromosphere-coronal transition layer with a sudden increase in local radiation. The plasma on the sun is heated to 10 million degrees, and electrons, protons, and some heavy ions are accelerated to nearly the speed of light.

The electromagnetic wave bands emitted by these ions range from long-wave microwaves on the electromagnetic spectrum to shortest-wavelength rays.

I don't know how to explain the cloud of charged particles, which are cloud-like celestial structures composed of charged particles, which can be subatomic particles or ions. A mass of charged particles, or a gas with a certain percentage of charged particles, is called plasma.

Auroras are brilliant and beautiful at night when charged particles (solar wind) enter the Earth's magnetic field and appear at night at high altitude in areas near the north and south poles of the Earth. It is called the Southern Lights at the South Pole and the Northern Lights at the North Pole.

Supernova** When it comes to the evolution of stars, you can refer to stars with a mass equivalent to 8 times that of the Sun: nebulae, extremely bright main-sequence stars, red supergiants or blue supergiants, supernova explosions, neutron stars or black holes.

Jupiter's opposition is the Sun-Earth-Jupiter triad. With a little thought, it becomes clear that this is the closest time Jupiter is to Earth. So it's a good opportunity to observe Jupiter.

At this point, we all aim our binoculars at it. The data you are following is the time and position of the precise alignment of the three points. This doesn't make any sense for observations, so don't bother.

Let me tell you a trick to remember! Any planet at opposition is easy to find. It was exactly 12 hours before the sun's bearing.

For example, you know that Jupiter is at opposition these days, and you want to see it at 9 p.m. Then think about the position of the sun at 9 a.m. It's there at first glance.

Moreover, these large asteroids are all bright and unusually radiant at opposition. As soon as the day comes, there will be many people here asking, "What is a very bright star in the southeast at 10 o'clock tonight?" Something like that.

It's too late. You can see how bright it is. It's hard not to see it!

It indicates that the dark shadow of the moon surface obscures the diameter of the sun's circular surface by the coarse hail muffler. 1 is just the same, that is, there is only a moment left in a total solar eclipse. That is, it can be dark for a few minutes.

Venus conjunction Moon means that Venus and the Moon are in the same direction. But the east-west alignment, the north-south is not. So there will be Venus in the north of the Moon.

You don't need any instruments, just a star a little above the moon. You won't be able to see other stars next to the moon. The stars were all drowned in the moonlight.

Only Venus can have a little starlight.

The radiant is a meteor shower term. During a meteor shower, all the meteors appear to shoot at one point. The direction is to "radiate" the rock bend in all directions. So this point is called the radiant point.

The teacher's statement is completely correct. To be able to write such a review, not only has a good literary foundation, but also should have personal experience.

The moon stars are scarce, and the black magpie flies south", from Cao Cao's "Short Song Xing". Although it is a literary work, it also vividly expresses objective natural phenomena. Why is it so hard to see the stars in the city?

The lights of the city drowned out the starlight. Although the moonlight is bright, it is also like a bright light, which will drown out the light of the faint stars, and make the sky lose a lot of color. Generally speaking, the number of stars after the moon rises is only one-tenth of the original number in the same observation environment, and it is difficult to have the impression of "full of stars" in a sparsely scattered starry sky.

Cao Cao's poems are basically in line with the facts, and the more exaggerated literary works, such as Zhang Ruoxu's "Spring River Flower and Moonlight Night", have clouds: "The river and the sky are free of fiber dust, and the lonely moon wheel in the bright sky." If it is true, this poem does not match the facts, but from afar:

When the moon is bright on the sea", it is indeed difficult to notice the few points of starlight in the sky. On May 6 last year, looking up in the moonlight overnight, my experience also proves that this poem is not false.

Therefore, the observation activities of the astronomical society are all avoiding the moon. Except for one celestial phenomenon, which is a lunar eclipse. The reverie of the landlord is many people's impression of the starry sky, but the teacher's guidance is very appropriate.

Literature is higher than life, higher than life, behind the teacher's pen, who knows if there is a story under the stars.

If it's far away, let's stop there.

The moon and stars are scarce, and the wind is light and light. There is a moon as a creation, and the stars are not seen much.

The moon and stars are scarce, the wind is light, we all say so, don't we?

Of course, at night in the suburbs where there is less light interference, if you can see hundreds of stars in the sky, you will be able to see Capricorn.

Now (October 20) at 7 p.m. in the southerly part of the sky, which corresponds to the position of the sun at noon, you will see Capricorn.

It is not difficult to find it in comparison with the picture below.

OK. About east of Sagittarius. However, Capricorn is darker and does not have many bright stars, so it is not easy to see in urban areas.

Capricorn belongs to the zodiac and can certainly be seen.