Chapter 46 Explanation of terms in this book

(arranged by stroke) Organized by Ye Lihua, Zhong Huiyuan and Zhang Mengyuan G (physics) gee Generic unit for the gravity field.The gravitational field on the earth is defined as one G, which corresponds to the gravitational acceleration of 9.8 in the MKS system. TMA0 (Science Fiction) A small "Tycho Tablet" buried in the Olduvey Valley in East Africa was unearthed in 2513 AD. Three million years ago, it was this stone slab that inspired the wisdom of human ancestors. TMA1 (Science Fiction) The huge black stone slab excavated from the "Tycho Moon Crater" in 2001 AD was named "Tycho Magnetic Anomaly One" (Tycho Magnetic Anomaly One) because of its strong magnetism, abbreviated as TMA1 .

Asteroid (Astronomical) Asteroid A rocky celestial body with a diameter of about 1 to 1,000 kilometers in the solar system that orbits the sun.Most of the asteroids are concentrated between the orbits of Jupiter and Mars, and thousands of them have been discovered so far. Scorpio Nova (Science Fiction) A new star created by the author of Nova Scorpio. pod (fiction) space pod A term coined by the author to refer to a small motorized vehicle used in space. Sunward Voyage (fiction) A term coined by the author of Sunward.Refers to the distance traveled toward the sun in space travel. The dark side of the moon (astronomy) dark side of the Moon The rotation period of the moon is equal to the revolution period, so the moon always faces the earth with a fixed side, and the other side facing away from the earth is called the dark side.

Io (Astronomical) Io One of the Galilean satellites, with a revolution period of about 1.77 Earth days. Io flux-tube (Astronomy) Io flux-tube refers to the natural magnetic flow between Io and Jupiter. Europa (astronomy) One of the Galilean satellites of Europa, with a revolution period of about 3.55 Earth days. Ganymede (Astronomical) Ganymede One of the Galilean satellites, with a revolution period of about 7.15 Earth days. Callisto (astronomy) Callisto is one of Galileo's satellites, with a revolution period of about 16.69 Earth days. Alpha Centauri (astronomical) Alpha Centauri, with the Chinese name "Nanmen Er", consists of three stars.Among them, "Proxima Centauri" is the closest to the sun among all stars, with a distance of about 4.22 light-years.

Boolean Bomb (science fiction) The name of the computer virus invented by the author of Boolean Bomb, the original text has the first rhyme. Brownian motion (Physics) Brownian motion In 1827 AD, British botanist Brown observed a kind of eternal motion in the microcosm: slightly suspended substances in liquid (such as the pollen observed by Brown that year) were affected by the surrounding liquid molecules in thermal motion Constantly bumping and thus non-stop random motion. The Cretaceous (geology) Cretaceous period refers to the late Mesozoic period of the earth, about 136 million to 65 million years ago.

Light minute (astronomical) light minute The distance that light waves travel in a vacuum for one minute, which is approximately equal to 18 million kilometers. A term coined by the author of a light film (science fiction) tablet.An information storage medium, the size of today's 3.5 discs. Light year (astronomy) light year The speed of light in a vacuum (C) is "defined" as 299,792,458 meters per second.A light year is the distance a light wave travels in a vacuum in one year, which is approximately 9.46 trillion kilometers. Light grid (science fiction) lattices of light author invented the term.

Photosensitive (biological) light sensitive Whether it is a biosensor or a mechanical sensor, if it can detect visible light, it is called photosensitive. Hologram (physical) hologram Two sets of laser light are needed to take a hologram photo, one set is irradiated on the object and then reflected to the film, and the other is directly irradiated to the film from another angle, and the two will generate and leave on the film Lower interference fringes.When viewing such a photo, the above-mentioned interference fringes produce a stereoscopic image, the so-called holographic image. Gilgamesh Lake (Science Fiction) Lake Gilgamesh is a freshwater lake on Ganymede, which is a place name invented by the author based on a certain king of ancient Babylon.

Optically active (biological) phototrope A part of a plant is said to be optically active if it bends to the brighter side when the surrounding light is strong or weak. Pinnacle Mountain (Astronomical) Mountain Pico is a mountain located in the lunar "Mare Imbrium". Galileo Satellites (Astronomy) Galilean Satellites Galileo (Galileo GaIilei, 1564-1642) discovered in 1610 AD that Jupiter has at least four satellites with a self-made telescope.These four satellites are collectively referred to as "Galilean satellites". Turing Torpedo (science fiction) The name of the computer virus invented by the author of Turing Torpedo, the original text has the first rhyme.

Rasputin Syndrome (fiction) A term coined by the author of Rasputin Syndrome. Swimming larvae (organisms) free-swimming larval Some organisms are planktonic in the larval stage, and will grow to a certain extent before they will be fixed. The larvae of these organisms are called swimming larvae. Mare Imbrium (Astronomy) There are many vast plains called "seas" on the moon. Mare Imbrium is one of them, with a diameter of about 1300 hundred kilometers. Thought writer (science fiction) thoughtwriter author coined the term.This device can directly record the thoughts of the human brain into a digital format and save them for transmission, eliminating the need for handwriting, recording or typing.

Kuiper belt (astronomy) Kuiper belt In the early 1990s, astronomers discovered that there are tens of thousands of asteroids beyond Neptune, and these asteroids are distributed in a ring shape, forming the so-called Kuiper belt.Kuiper (Gerard Kuiper, 1905-1973) was a Dutch-American astronomer. Orbital mechanics (aerospace) Orbital mechanics A branch of space navigation, studying how to design and calculate the course of a spacecraft or an artificial satellite. The gravitational acceleration vector (physics) gee-vector is the direction of the gravitational field.This definition applies to both the natural gravitational field of a planet and the simulated gravitational field of a space station.

Bailey Bead (Astronomy) Bailey Bead During the total solar eclipse, the sun is covered more and more by the moon, and finally only a narrow arc is left, and then this arc will break into many small bright spots, which is the so-called double Lizhu. Godel Imp (Science Fiction) The name of the computer virus invented by the author of Godel Gremlin, the original text has the first rhyme. Shannon Snare (science fiction) The name of the computer virus invented by the author of Shannon Snare, the original text has the first rhyme. Mandelbrot Maze (science fiction) The name of the computer virus invented by the author of Mandelbrot Maze, the original text has the first rhyme.

Cantor Cataclysm (science fiction) The name of the computer virus invented by the author of Cantor Cataclysm, the original text has the first rhyme. Conway's Mystery (Science Fiction) The name of the computer virus invented by the author of Conway Conund rum, the original text has the first rhyme. Comet nucleus (astronomy) nucieus of comet Comet is a cloud-like object in the solar system, which is composed of dust and ice.The scientific name of comet nucleus is "comet nucleus", which refers to the bright core at the center of the comet's front end. Tycho Monolith (Science Fiction) Tycho Monolith is a group of mysterious black slates throughout the "Space Odyssey" tetralogy. They are large and small, but the ratio of side length is fixed at 1:4:9.Since the first piece was unearthed in the "Tycho Moon Crater", "Tycho Slate" is used as a general term. "The first lunar crater" is the name of the place on the moon, in memory of the Danish astronomer Tycho Brahe (Tycho Brahe, 1546-1601). Combinatorial Catastrophe (Science Fiction) The name of a computer virus invented by the author of Combinatorial Catastrophe, the original text has the first rhyme. Lorenz Labyrinth (science fiction) The name of the computer virus invented by the author Lorenz Labyrinth, the original text has the first rhyme. Universal laws of logic (logic) universal laws of logic The laws of logic should be universal and applicable to any biological or mechanical device in the universe.In order to emphasize this feature, the author especially puts "universal" in front of the laws of logic. Launch window (spaceflight) launch window In order for a spacecraft to reach its intended destination, the launch time must closely match the movement of related celestial bodies. The launch window refers to the period of time suitable for launch. ammonite (archaeological) ammonite An ancient cephalopod marine mollusc, ancestor of the present-day nautilus. Transfinite Trap (Science Fiction) The name of the computer virus invented by the author of Transfinite Trap, the original text has the first rhyme. Hecate Chasm (science fiction) Hecate Chasm author invented place names, cracks on the surface of Venus. Olduvai Gorge (Archaeology) Olduvai Gorge is located in Tanzania, East Africa, and is one of the birthplaces of human beings.About 2 million years ago, Homo habilis, the ancestor of human beings, appeared here, forming the early Paleolithic culture. Eros (astronomical) Eros No. 433 asteroid. Nova (Astronomical) Nova A star whose brightness increases by more than 9 "magnitudes" within a few days due to an explosion, and then drops back to its original brightness after a few days, such a "variable star" is called a nova. polar cap (astronomical) polar cap The white regions at the poles of a planet, possibly frozen water (such as Earth's polar cap) or carbon dioxide. Node (communication) node An information collection and distribution point of a communication network. Brain cap (science fiction) a term coined by the author of braincap. The human-machine interface developed in the 25th and 26th centuries can directly output information from the human brain, or directly input information into the brain, without going through the senses such as vision, hearing, and smell. Uranium 238 (Physics) Uranium 238 uranium atoms are extremely heavy silver-white metals with an atomic number of 92. There are more than a dozen isotopes in total, all of which are radioactive.Uranium 238 exists mainly in nature, which is an important raw material for nuclear weapons along with uranium 235. Inertial field (physics) inertial field is a hypothetical force field proposed by several contemporary physicists, who believe that the inertia and mass of matter are derived from the interaction between matter and this field. Fusion reactor (physics) fusion reactor Fusion (fusion), also known as nuclear fusion or nuclear fusion, refers to the process of combining hydrogen or hydrogen isotopes into helium and releasing huge energy.In a fusion reactor, fusion is allowed to proceed slowly so that the energy produced by the reaction can be harnessed.It is generally accepted that the fusion reactor should come out in the 21st century. Thermonuclear Weapon (Physical) thermonuclear weapon A nuclear weapon using nuclear fusion energy, also known as a hydrogen bomb. Entropy (Physical) Entropy In thermodynamics and statistical mechanics, a physical quantity used to measure the degree of disorder of a system. Extravehicular activity (spaceflight) extravehicular activity, abbreviated as EVA, refers to all activities carried out by astronauts outside the spacecraft. Nokomis Mountains (science fiction) Nokomis Mountains, a place name invented by the author, is a mountain range on Venus. Enigma Project (History) Enigma Project During World War II, the Anglo-American Allied Forces enlisted scientists to crack the German code. Orion Nebula (astronomy) Orion Nebula, also known as the "Orion Nebula", is a bright nebula located in the constellation of Orion, with an astronomical number of M42 or NGC1976.The Orion Nebula is a diffuse nebula with emission lines about 1500 light-years from Earth. Ion thruster (aerospace) ion thruster is a kind of space thruster actively developed by aerospace scientists today.The thrusters use electricity to break matter into ions, accelerate them and eject them backwards to propel a spacecraft or satellite.