A telescope that can see clearly on the surface of the moon

I don't know what you mean, huh? You can do the math for yourself, and I'll show you how. First of all, you know the length of an elephant, then you know the distance between the moon and the ground, and then you can find out what the angle of the elephant is on the ground to observe him.

The resolution of the telescope can be found by δ=140 d, d is the aperture of the telescope (mm), and the unit is the arc second, and then you combine these two formulas to see what the aperture of the telescope you need is.

A good telescope brand "Panda" brand can depend on your use and budget The brand I said is okay It is produced by Yunnan Yunao Optoelectronics.

I don't really know, but you can check out the shop that sells telescopes. I remember when I was in school, my teacher said that 30 times the astronomical telescope can see the relatively large craters on the moon clearly, and you estimate that it will be at least hundreds of times so clear. Take the printed ** and take a look at the store that sells telescopes.

Don't buy online.

One, bad weather (clouds, air quality). Second, the resolution of the telescope is not high (increasing the magnification will blur it). Third, the focal length is not adjusted well. Fourth, the telescope has water vapor The magnification of the astronomical telescope is also limited, and the refraction is also limited.

Frequent flyers will have this experience: beautiful flight attendants ask us to fasten our seatbelts, and when the plane flies in clear skies, there will be air currents in the speakers. This is caused by atmospheric turbulence.

Turbulence in the atmosphere is not only a problem for pilots and passengers flying at thousands of meters, but also a headache for astronomers. Because no matter how big an optical telescope looks at the stars in the sky, they will twinkle, let alone see them clearly.

Astronomers have come up with many ways to overcome the effects of atmospheric turbulence, including correcting images through intelligent optical compensation. The Hubble Space Telescope is so powerful that it can photograph objects billions of light-years away. Should we use it to photograph the moon?

In fact, when NASA pointed the Hubble telescope at the "Copernican Crater," they photographed the moon's **. The Copernicus crater is one of the most famous craters on the Moon, with a diameter of 93 kilometers. The Hubble telescope can only see things 50 to 100 meters on the moon, and it can't see anything smaller at all.

In order to get clearer images of the Moon, one has to fly closer to the Moon, for example, in lunar orbit 200 kilometers above the Moon, and then take pictures with a more sophisticated camera.

The ** above was taken by an LROC camera on a US near-moon orbit satellite. Its resolution is about meters per pixel, which makes it a very clear picture of the Moon**. As you may have seen from our analysis above, it is difficult to get a clear image of the Moon through a telescope unless you are close enough to it.

But let's analyze how we can better observe the surface of the moon.

With this in mind, you should know how to choose the right telescope for your needs. The visual distance that our eyes can distinguish is expressed in degrees. About 0.01 degree.

The Moon is located about 380,000 kilometers from the Earth and is measured in degrees. With the naked eye, we can roughly discern a point on the Moon with a diameter of about 67 kilometers. If you want to form a chart, you need more of these points.

This streak is called a lunar radiant streak, and it shines when it is exposed to the sun's rays, so when you look at the moon with an astronomical telescope, you can see white streaks. This white stripe is not only found on the Moon, but also on Mercury.

When you look at the moon with an astronomical telescope, the white streaks that appear are radiated from the crater, called the lunar radiant streaks, and the surface of the moon is covered with uneven craters like golf balls, which are craters, which shine when exposed to sunlight.

In the vast sky, the earth revolves around the sun, the moon revolves around the earth, the orbital plane of the moon and the plane of the earth's revolution do not coincide, there are two intersections, a ascending node, a descending node, plus the yellow and white nodes, it is precisely because of this that we can see the lunar and solar eclipses.

Since there is an atmosphere outside the earth, we see a white line on the edge of the moon, which is a natural phenomenon caused by the physical conditions of the climate and atmosphere.

Astronomical telescopes can observe the moon clearly.

With the improvement of telescopes in all aspects of performance, astronomy is also experiencing a huge leap forward, rapidly advancing mankind's understanding of the universe. Astronomical telescopes are important tools for observing celestial bodies, and it is no exaggeration to say that without the birth and development of telescopes, there would be no modern astronomy.

There are generally two mirror tubes on astronomical telescopes, and the larger one is the primary mirror, which is used to observe the target; The small god stare is called the star finder, which is used to find the target, also called the scope. The eyepiece is a separate individual, it is an item that determines the magnification, and there will be an F number on the eyepiece, which is the focal length of the eyepiece, and the F value of the primary lens is divided by the F value of the eyepiece currently in use, which is the current magnification.

Telescopes where the Moon can be observed:

1. Refractive telescope: a telescope that uses a lens as an objective lens and uses refractive imaging to imaging. It has a wide field of view, high contrast and good clarity.

2. Reflecting telescope: An optical telescope that uses a combination of curved and flat surface mirrors to reflect light and form an image.

3. A Cassegrain telescope: a reflecting telescope composed of two mirrors, which uses a combination of curved surface and flat surface mirrors to reflect light.

4. Maksutov telescope: It is a kind of catadioptric telescope that combines a spherical mirror and a thick meniscus lens to form an optical system to make an objective lens.