Tell me a horror story related to the James Webb Telescope.One possible horror story could be that the James Webb Telescope starts receiving strange signals from a far - off region of space. These signals seem to be intelligent in nature but are so alien that they start to disrupt the telescope's normal functions. Scientists try to analyze them but find that every attempt to decode just leads to more confusion and glitches in the telescope's systems.
2 answers
2024-10-27 12:33
Deep Space Photographic Refraction Mirror Astronomical telescopeThe following are some of the commonly used refraction telescope recommendations for deep space photography:
- [Startron 80EQ: Refraction type, focal length 900mm, relatively affordable, a good choice for entry-level astronomy enthusiasts for deep-space photography.]
- [Startron 80DG: Refraction type, focal length 910mm, good performance in terms of image quality, etc., can meet certain deep space photography needs.]
When choosing a telescope for deep-space photography, many factors needed to be considered, such as focal length, aperture, price, optical quality, and so on. A telescope with a longer focal length could obtain higher magnification, but it also required a more stable stand. The larger the aperture, the stronger the ability to collect light, and the brighter and clearer the image. However, the size and weight of the telescope would also increase, and the cost would also be higher.
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telescopeA telescope was an optical instrument used to observe, aim, and measure distant objects. The angular magnification was generally greater than 1. In a broad sense, it also included astronomical instruments that observed electromagnetic waves invisible to the human eye. It was commonly used in ground observation, astronomical observation, astrophotography, space exploration, and other fields.
In 1608, Hans Lieber, a Dutch glasses merchant, accidentally discovered that two lenses could be used to see distant scenes, making the world's first binoculars. In 1609, the Italian physicist, galilei galilei, was inspired to make the first refraction telescope. The telescope began to be used in the field of astronomy. Later, many scientists, such as Johannes Kepler, Isaac Newton, Cassegrain, Bernhard Foldomar Schmidt, etc., optimized and improved it, producing refraction, reflection, catadioprism, and many other types.
After more than 400 years of development, the telescope had become more powerful and had a longer observation distance. In modern times, with the development of science and technology, telescopes were no longer limited to ground observation. They began to enter space, and new types of telescopes such as radio telescopes and space telescopes appeared. It was mainly composed of optical system, mechanical structure, pointing system, image acquisition system, electronic system, etc. By magnifying the angle of distant objects, the human eye could see details with smaller angular distance. It could also send the light beam collected by the objective lens into the human eye, allowing people to see dark objects that could not be seen before. The typical models were the Very Large telescope, the China Sky Eye, the Hubble Space telescope, the Big Bear Lake Solar telescope, etc.
When it came to choosing a telescope, novices often made mistakes. For example, they thought that the higher the magnification, the clearer it was. In fact, the optical configuration was the real deciding factor. There were fixed-power and variable-power binoculars. The fixed-power binoculars had stable imaging, a large field of view, and a strong sense of comfort. For example, a 10X50 binoculars represented 10x amplification and 50 apertures. A variable-power binoculars had a multiple range that could be adjusted. For example, 10 - 20*50 meant that the multiple could be adjusted between 10 - 20 times.
Astronomical telescopes were astronomical observation devices that collected celestial radiation and determined the direction of the radiation source. For more than 300 years before the first radio telescope was built in the 1930s, astronomical telescopes were basically equivalent to optical telescopes. According to the principle of imaging, optical telescopes could be divided into refraction telescope, reflection telescope, and catadioptical telescope. There are many famous telescopes in the world, such as China's 500-meter spherical radio telescope. Fast (China Sky Eye) was the world's largest fixed antenna radio telescope by 2023, and the Greenbank Radio telescope (Gbt) was the largest mobile antenna radio telescope on Earth by 2024. The Hobby Eberly telescope, the Caique telescope, the Canary Grand telescope, the South African Grand telescope, and the Atacama Large Millimeter Wave Array were also famous telescopes. They each had different characteristics, functions, construction locations, and funding sources.
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What are some popular space telescope science fiction works?One well - known work is '2001: A Space Odyssey'. It features the discovery related to a mysterious monolith which is in some way connected to space exploration and a space telescope could be conceptually related in terms of the search for such extraterrestrial - related objects. Another is 'Contact' where the search for signals from outer space is central, and a space telescope could be part of such a search in the fictional context.
2 answers
2024-11-06 09:29
telescope astronomyA telescope was an optical instrument used to observe, aim, and measure distant objects. Its angular magnification was generally greater than 1. In a broad sense, it also included astronomical instruments that observed electromagnetic waves invisible to the human eye. It was mostly used in ground observation, astronomical observation, astrophotography, space exploration, and other fields. In 1608, the Dutchman Hans Lieber made the world's first binoculars. In 1609, the first refraction telescope was made by Galilei, and the telescope began to be used in astronomy.
An astronomical telescope was an astronomical observation device that collected celestial radiation and determined the direction of the radiation source. It usually referred to an astronomical optical telescope with light gathering and imaging functions. According to the principle of imaging, it could be divided into three categories: refraction telescope (using a lens to produce a mirror), reflection telescope (using a mirror to produce a mirror), and catadiopretic telescope (using both a lens and a mirror to produce a mirror).
It was not recommended for beginners to buy expensive equipment at the beginning when choosing an astronomical telescope. For example, the price of the more affordable Singterra 80EQ (about 600 yuan) was more suitable for entry. Although it was cheap, it could shoot the three common planets, the moon, M42, and so on. When choosing two products with the same price but different brands and a difference of 1 - 200, the difference was not big for beginners. They could choose the one they liked more. There were many brands of astronomical telescopes, such as Star Terran, Meade, Cinda, Exploration Science, Boguan, etc. Among them, Star Terran was the best-selling. It was recommended to give priority to well-known brands and avoid unknown small brands to avoid stepping on the pit.
The budget astronomical telescope worth buying in 2024 is the Celestron StarSense Explorer DX130AZ.(Price: $379.95, original price: $479.95, 5.1-inch large aperture, 650mm focal length, equipped with StarSense sky recognition technology, etc.), Orion Observer 90mm telescope (Price: $379.95, 90mm objective lens diameter, 86.4cm tube length, comes with two eyepieces), Sky-Watcher Classic 200 (Price: $550.00, original price: $655.00, equipped with 8-inch mirror and other advantages), Celestron 76mm Sign Series Firstscope (Price: $79.70), etc.
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