Alexander Humboldt. The most famous aphorisms

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APHORISMS OF FAMOUS PEOPLE
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Aphorisms of famous people. Alexander Humboldt

Aphorisms of famous people

Free library / Aphorisms of famous people

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Alexander Humboldt. The most famous aphorisms

To be afraid of any spiritual force means to deprive the state of any nourishing, sustaining force.
In grief, in misfortune, they console themselves with dreams.
Every truth goes through three stages in the human mind: first - what nonsense!, then - there is something in it, finally - who does not know this!
Our happiness depends more on how we encounter the events of our lives than on the nature of the events themselves.
The principle will outlive everyone.
Nature reveals her secrets and her beauty only to those who are able to understand them.
Centuries are minutes in the great process of human development. But the rising curve has its lows, and it is very unpleasant to get into the moment of such a low.

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James Webb telescope launched into orbit 27.12.2021

NASA successfully launched the James Webb telescope. The telescope was jointly built by 17 countries, it took 25 years and 10 billion dollars.

Webb is much larger, more complex and more powerful than the Hubble Space Telescope, which has been studying the skies from Earth orbit for more than 30 years. Another key difference between Hubble and Webb is that the old telescope was designed to be serviced by astronauts on spacewalks, having been repaired and upgraded 5 times between 1993 and 2009. But the Webb will be too far away for people to reach it.

James Webb is the latest orbital infrared observatory to replace the Hubble telescope. The new telescope is XNUMX times more sensitive to wavelength than Hubble.

Scientists believe that the device will be able to expand mankind's understanding of the Universe, as it is able to reveal the history of the formation of the first stars and galaxies, as well as to study black holes, dark matter and galaxies far from the solar planet in more depth.

Telescope equipment is capable of collecting infrared light and examining it. In particular, the huge mirror consists of 18 hexagons. Its diameter is six and a half meters, and the combined area is 25 square meters.

At the same time, the device also has a thermal screen, the dimensions of which are 21,1 by 14,6 meters. The screen consists of layers that will protect the telescope from the sun's rays so that it does not overheat.

The telescope also has: a near-infrared camera that will form an image for the observatory; a device for working in the middle range of infrared radiation - will allow you to obtain data on distant objects (the formation of new stars or faintly visible comets); spectrograph of the near infrared range - will allow you to obtain data on the physical and chemical properties of objects; fine pointing sensors with a near-infrared imaging device and a slitless spectrograph - will allow you to obtain images in high quality, detect exoplanets (planets that are located outside the solar system) and determine their characteristics.

The launch of the telescope is scheduled for the summer of 2022.

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