Halley-type comets are a class of comets that have orbital characteristics similar to those of Halley's Comet, typically featuring periods of about 75 to 200 years. These comets are thought to originate from the Kuiper Belt or from a region beyond it, and their orbits often have relatively low eccentricities and inclinations.
A list of natural satellites refers to the various moons that orbit planets, dwarf planets, and other celestial bodies in our solar system and beyond. Here’s an overview of some notable natural satellites organized by the planets they orbit: ### Terrestrial Planets 1. **Earth**: - **Moon** (Luna) 2. **Mars**: - **Phobos** - **Deimos** ### Gas Giants 3.
Long-period comets are comets that take more than 200 years to complete an orbit around the Sun. Unlike short-period comets, which generally originate from the Kuiper Belt, long-period comets are believed to originate from the Oort Cloud, a distant and spherical shell of icy bodies that surrounds the solar system.
The list of Neptune-crossing minor planets includes those asteroids and other small celestial bodies whose orbits intersect the orbit of Neptune. These objects are categorized as "Neptune-crossers" due to their potential for close encounters with Neptune's orbit. Such minor planets can have diverse physical characteristics and orbital elements. Some notable Neptune-crossing minor planets may include: 1. **2060 Chiron** - One of the largest centaurs, known for its cometary activity.
A "List of logicians" typically refers to a compilation of notable individuals who have made significant contributions to the field of logic. This list can include philosophers, mathematicians, computer scientists, and others whose work has advanced our understanding of logical theory, formal systems, and related areas. Some notable logicians include: 1. **Aristotle** - Often considered the father of logic, he developed syllogistic logic.
A sodium bicarbonate rocket is a type of simple rocket that uses the reaction between sodium bicarbonate (baking soda) and an acid to produce carbon dioxide gas, which generates thrust and propels the rocket upward. This reaction is often demonstrated in educational settings or hobby projects because of its safety and simplicity. ### Basic Components: 1. **Sodium Bicarbonate (Baking Soda)**: The fuel component.
Sacred geometry is a spiritual and philosophical belief that certain geometric shapes and proportions have symbolic meanings and significance. It is often associated with various traditions and religions, including Hinduism, Buddhism, Christianity, and ancient Egyptian beliefs, and it is thought to reflect the fundamental principles of the universe and creation. Sacred geometry explores the relationships between shapes, patterns, and forms, often emphasizing the idea that these geometric principles manifest the underlying order of the cosmos.
LRK can refer to different things depending on the context. Some common interpretations include: 1. **Local Residential Knowledge**: In urban planning and real estate contexts, this could refer to knowledge pertinent to a specific residential area. 2. **LRK (a person’s name)**: It could be an acronym for someone's name or initials. 3. **Legal Research Knowledge**: In the context of legal studies or law practice.
In the context of group theory, a strong generating set is a specific type of generating set used to describe a group in a way that can provide insights into its structure and properties.
Capped square antiprismatic molecular geometry refers to a specific three-dimensional arrangement of atoms within a molecular or coordination complex. In this geometry, the framework comprises a square antiprism, which is a polyhedron consisting of two parallel square faces connected by eight triangular faces. The "capped" aspect of this geometry indicates that there are additional atoms or groups that occupy specific positions above and below the square faces of the antiprism, effectively capping it.
The final repository for short-lived radioactive waste generally refers to a facility or location where this type of waste is safely stored or disposed of after it has been generated. Short-lived radioactive waste typically includes materials that have relatively low levels of radioactivity and decay to safe levels over a relatively short period, usually less than 30 years. Countries often manage short-lived radioactive waste by classifying it into specific categories based on its origin, type, and radioactivity levels.
The Caridoid escape reaction is a behavioral response observed in certain crustaceans, particularly in shrimp, when they perceive a threat or danger, such as a predator. This reaction involves a rapid and often powerful escape response characterized by a sudden tail flip or rapid movement of the body. During this reaction, the animal quickly flexes its abdomen, which propels it backward through the water. The response is typically very fast, allowing the crustacean to escape quickly from predators.
Carle M. Pieters is a notable planetary scientist and a prominent figure in the field of planetary geology, particularly known for his work on the Moon and Mars. He has contributed significantly to our understanding of planetary surfaces and has been involved in various space missions. One of his key areas of expertise includes the analysis of lunar and Martian mineralogy through remote sensing techniques. Pieters has also been instrumental in the development and use of spectroscopic instruments to study the composition of celestial bodies.
A chain letter is a type of letter or message that encourages the recipient to send copies of the letter to a specified number of other people. The idea is that this will create a chain of letters that spreads widely. Chain letters often promise rewards, such as money, good luck, or the avoidance of bad luck, to those who participate and pass the letter along. Chain letters can take various forms, including physical letters, emails, or messages on social media.
In JavaScript, prototype methods refer to functions that are associated with an object's prototype. Every JavaScript object has a prototype, which is itself an object. When you try to access a property or method on an object, JavaScript first looks for that property or method on the object itself. If it doesn't find it, it continues searching up the prototype chain until it either finds the property/method or reaches the end of the chain (typically the `Object.prototype`).
Carlo Marangoni is most commonly associated with the Marangoni effect, a phenomenon in fluid dynamics named after him. The Marangoni effect describes the mass transfer along an interface between two fluids or along the surface of a single fluid, caused by a gradient of surface tension. This effect can be observed in various physical processes, such as in the movement of droplets and in the formation of patterns on fluid surfaces.
In quantum mechanics, particularly in the context of quantum gravity and loop quantum gravity, the "volume operator" is an important mathematical entity used to represent the volume of a given region of space in a way that is compatible with the principles of quantum theory. ### Characteristics of the Volume Operator: 1. **Quantization of Volume**: The volume operator gives a quantized version of the notion of volume.
Partial dislocation, also known as subluxation, refers to a situation in which a bone is partially displaced from its normal anatomical position in a joint. Unlike a complete dislocation, where the bones are fully separated from their joint surfaces, a partial dislocation involves a situation where the joint surfaces remain in contact but are misaligned. This can lead to pain, swelling, and reduced range of motion in the affected joint.
A nuclear weapon is a device that releases energy in an extremely powerful explosion as a result of nuclear reactions, either fission (the splitting of atomic nuclei) or fusion (the combining of atomic nuclei). These weapons are capable of causing massive destruction and loss of life. **Types of Nuclear Weapons:** 1. **Fission Bombs (Atomic Bombs):** These weapons work by splitting heavy atomic nuclei, such as uranium-235 or plutonium-239, into smaller nuclei.
Alexander Shapiro is a name that could refer to different individuals across various fields, such as academia, business, or other areas. Without more specific context, it's hard to determine exactly which Alexander Shapiro you are referring to.

Pinned article: Introduction to the OurBigBook Project

Welcome to the OurBigBook Project! Our goal is to create the perfect publishing platform for STEM subjects, and get university-level students to write the best free STEM tutorials ever.
Everyone is welcome to create an account and play with the site: ourbigbook.com/go/register. We belive that students themselves can write amazing tutorials, but teachers are welcome too. You can write about anything you want, it doesn't have to be STEM or even educational. Silly test content is very welcome and you won't be penalized in any way. Just keep it legal!
We have two killer features:
  1. topics: topics group articles by different users with the same title, e.g. here is the topic for the "Fundamental Theorem of Calculus" ourbigbook.com/go/topic/fundamental-theorem-of-calculus
    Articles of different users are sorted by upvote within each article page. This feature is a bit like:
    • a Wikipedia where each user can have their own version of each article
    • a Q&A website like Stack Overflow, where multiple people can give their views on a given topic, and the best ones are sorted by upvote. Except you don't need to wait for someone to ask first, and any topic goes, no matter how narrow or broad
    This feature makes it possible for readers to find better explanations of any topic created by other writers. And it allows writers to create an explanation in a place that readers might actually find it.
    Figure 1.
    Screenshot of the "Derivative" topic page
    . View it live at: ourbigbook.com/go/topic/derivative
  2. local editing: you can store all your personal knowledge base content locally in a plaintext markup format that can be edited locally and published either:
    This way you can be sure that even if OurBigBook.com were to go down one day (which we have no plans to do as it is quite cheap to host!), your content will still be perfectly readable as a static site.
    Figure 2.
    You can publish local OurBigBook lightweight markup files to either https://OurBigBook.com or as a static website
    .
    Figure 3.
    Visual Studio Code extension installation
    .
    Figure 4.
    Visual Studio Code extension tree navigation
    .
    Figure 5.
    Web editor
    . You can also edit articles on the Web editor without installing anything locally.
    Video 3.
    Edit locally and publish demo
    . Source. This shows editing OurBigBook Markup and publishing it using the Visual Studio Code extension.
    Video 4.
    OurBigBook Visual Studio Code extension editing and navigation demo
    . Source.
  3. https://raw.githubusercontent.com/ourbigbook/ourbigbook-media/master/feature/x/hilbert-space-arrow.png
  4. Infinitely deep tables of contents:
    Figure 6.
    Dynamic article tree with infinitely deep table of contents
    .
    Descendant pages can also show up as toplevel e.g.: ourbigbook.com/cirosantilli/chordate-subclade
All our software is open source and hosted at: github.com/ourbigbook/ourbigbook
Further documentation can be found at: docs.ourbigbook.com
Feel free to reach our to us for any help or suggestions: docs.ourbigbook.com/#contact