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Indexes of physics articles refer to organized collections or databases that catalog and provide access to research papers, articles, and publications in the field of physics. These indexes can be useful for researchers, students, and professionals in finding relevant literature. Some key features and types of indexes include: 1. **Subject-Based Indexes**: These categorize articles based on specific topics within physics, such as quantum mechanics, thermodynamics, or astrophysics.
Lists of Solar System objects refer to various categorizations and compilations of celestial bodies within our Solar System. These lists can include a variety of objects, such as: 1. **Planets**: The eight major planets—Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
Lists of comets refer to compilations or catalogs that document known comets, usually categorized by their characteristics such as their orbital parameters, the names of their discoverers, and other relevant information. Comets are typically named after their discoverers or based on the year of their discovery. There are a few key aspects typically included in lists of comets: 1. **Periodic Comets**: These are comets that have regular orbits around the Sun, returning at predictable intervals.
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.
The List of Kreutz Sungrazers refers to a catalog of comets that belong to the Kreutz family, which are known for their extremely close approaches to the Sun, often resulting in their disintegration. These comets are characterized by their high velocities and their characteristic orbits that take them very close to the Sun, typically within a few thousand kilometers of the solar surface.
A list of astronomical objects named after people includes a variety of celestial bodies such as asteroids, planets, moons, stars, and constellations that are named in honor of individuals who have made significant contributions to science, exploration, or culture. Here are some notable examples: ### Asteroids - **(1) Ceres** – Named after the Roman goddess of agriculture, it is often considered a dwarf planet.
Comets are classified into several types based on their orbits and characteristics. Here’s a list of different types of comets: 1. **Short-period comets**: - **Definition**: Comets that have an orbital period of less than 200 years.
The LINEAR (Lincoln Near-Earth Asteroid Research) project was a program designed to detect and track near-Earth objects, including asteroids and comets. Established in 1998, LINEAR made significant contributions to the discovery of various celestial objects.
Comets with no meaningful orbit are those which have been observed but do not have a well-defined or predictable trajectory due to factors such as insufficient observation time, perturbations by celestial bodies, or a lack of data to accurately calculate their orbits. While there may not be an official "list" specifically categorized as "comets with no meaningful orbit," astronomers often refer to comets that are poorly defined or have uncertain orbits.
A hyperbolic comet is a type of comet that follows a hyperbolic trajectory around the Sun. Unlike parabolic and elliptical comets, which have orbits that bring them back to the Sun multiple times (elliptical) or at least once (parabolic), hyperbolic comets are on a path that will take them out of the solar system after their closest approach to the Sun.
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 exploration of minor planets (asteroids) and comets by spacecraft has greatly advanced our understanding of these celestial bodies. Here’s a list of some notable minor planets and comets that have been visited by spacecraft: ### Comets 1. **Comet Halley (1P/Halley)** - Explored by the European Space Agency's Giotto mission in 1986.
Near-parabolic comets are comets whose orbits are close to parabolic, indicating that they are on the verge of escaping the Sun's gravitational influence. These comets typically have orbital eccentricities close to 1, which means their paths are elongated but not quite sufficient to be classified as hyperbolic (eccentricity greater than 1).
The "List of numbered comets" refers to a catalog of comets that have been assigned unique numbers by the International Astronomical Union (IAU) once their orbits have been well established through multiple observations. This numbering system is similar to the one used for asteroids. Typically, the list includes the comet's name (often reflecting its discoverer), its designated number, and sometimes additional information such as its orbital characteristics, historical significance, or notable appearances.
A list of periodic comets consists of comets that have predictable orbits and return to the inner solar system at regular intervals. Unlike non-periodic comets, which may only be seen once or can take thousands or even millions of years to return, periodic comets have well-documented periods of return.
Lists of minor planets refer to catalogs or databases that contain information about small celestial bodies in our solar system, specifically asteroids and comets. These bodies are often referred to collectively as "minor planets." The lists typically include several key pieces of information for each minor planet, such as: 1. **Designation/Number**: Each minor planet is assigned a unique numerical designation and often a name.
Lists of asteroids typically refer to the various catalogs and databases that document the asteroids discovered in our solar system. These lists can include a wide range of information about each asteroid, such as its designation number, name, size, orbital characteristics, and sometimes other data such as composition and surface features. Some of the notable lists and catalogs include: 1. **Main Belt Asteroids**: A list of asteroids primarily located in the asteroid belt between Mars and Jupiter.
The Amor asteroids are a group of near-Earth asteroids that have orbits that are primarily outside Earth's orbit but can come close to it. The term "Amor asteroid" refers to those objects that do not cross Earth's orbit but can approach it closely. They are named after the asteroid 1221 Amor, which was discovered in 1932.
Apollo asteroids are a group of near-Earth asteroids that have orbits that cross Earth's orbit. They are named after the first identified member of this group, 1862 Apollo, discovered in 1932. Apollo asteroids have semi-major axes greater than 1 astronomical unit (AU), which is the average distance from the Earth to the Sun, and they typically have eccentric orbits that bring them into close proximity to Earth.
Asteroid impact prediction is the process of assessing the likelihood that an asteroid will collide with Earth or another celestial body. This involves a variety of scientific techniques and methods to track and calculate the orbits of asteroids, analyze their physical properties, and predict their potential paths over time. Key components of asteroid impact prediction include: 1. **Observational Data**: Astronomers use telescopes and other instruments to detect and monitor asteroids.
In astrology, asteroids are small celestial bodies that orbit the Sun, primarily located in the asteroid belt between Mars and Jupiter. While traditional astrology primarily focuses on the planets in our solar system, the inclusion of asteroids has gained popularity among astrologers in recent decades. Asteroids are believed to carry specific meanings and energies that can influence a person's birth chart, much like planets do.
Atira asteroids, also known as Apohele asteroids, are a group of asteroids that have orbits entirely within the orbit of Earth. This means that their maximum distance from the Sun is less than that of the Earth's average distance from the Sun, which is about 1 astronomical unit (AU). Atira asteroids are named after the first discovered member of this group, 163693 Atira, which was identified in 2003.
Aten asteroids are a group of near-Earth objects (NEOs) that have orbits primarily between the Earth and the Sun. They are named after the first identified member of this group, 2062 Aten, which was discovered in 1976. The distinguishing characteristic of Aten asteroids is that their orbit lies within the orbit of Earth, meaning they are classified as "inner" asteroids.
The Jupiter trojans are a group of asteroids that share an orbit with Jupiter, located at stable points known as L4 (60 degrees ahead of Jupiter) and L5 (60 degrees behind Jupiter) in its orbit around the Sun. Those in the L4 point are often referred to as the "Greek camp," while those in the L5 point are referred to as the "Trojan camp.
The Jupiter trojans are a group of asteroids that share Jupiter's orbit around the Sun, located at the L4 and L5 Lagrange points, which are 60 degrees ahead of and behind Jupiter in its orbit, respectively. The trojans are traditionally named after characters from Greek mythology. The specific list of Jupiter trojans in the range of 100001 to 200000 includes several asteroids.
The Jupiter trojans are a subset of asteroids that share Jupiter's orbit around the Sun, specifically positioned at stable Lagrange points, L4 and L5. The Greek camp refers to the L4 group, which is associated with characters from the Trojan War. The complete list of Jupiter trojans in the Greek camp (from 1 to 100,000) is extensive.
The list of Jupiter trojans in the Greek camp (designated with numbers between 200001 and 300000) refers to a specific set of minor planets that share Jupiter's orbit around the Sun, specifically located in the L4 Lagrangian point, which is approximately 60 degrees ahead of Jupiter in its orbit. These objects are named after figures from Greek mythology, contrasting with the Trojan camp (L5) which is named after characters from the Trojan War in the Iliad.
The Jupiter trojans are a group of asteroids that share an orbit with Jupiter, located at stable Lagrange points (L4 and L5) ahead of and behind the planet in its orbit around the Sun. The Greek camp refers to one of the two main groups of Jupiter trojans, named after figures from Greek mythology associated with the Trojan War.
The Jupiter trojans are a group of asteroids that share Jupiter's orbit around the Sun, residing in two large groups located at approximately 60 degrees ahead of and behind Jupiter. The ones in the Greek camp are located 60 degrees ahead of Jupiter. The list of Jupiter trojans in the Greek camp specifically from numbers 400001 to 500000 would typically include the identifiers of these asteroids, but the complete list isn't usually provided in a single document.
The Jupiter trojans are a group of asteroids that share Jupiter's orbit around the Sun, located at the L4 and L5 Lagrange points, which are approximately 60 degrees ahead of and behind Jupiter in its orbit. The ones denoted as part of the "Greek camp" typically refer to those that are positioned at the L4 point.
The Jupiter trojans are a group of asteroids that share an orbit with Jupiter, located at the Lagrange points L4 and L5, which are approximately 60 degrees ahead of and behind Jupiter in its orbit around the Sun. The Greek camp refers to those trojans whose names are derived from characters from Greek mythology, particularly those associated with the Trojan War.
The Jupiter trojans are a group of asteroids that share an orbit with the planet Jupiter, residing in the two stable Lagrange points 60 degrees ahead of and behind Jupiter in its orbit. These two groups are known as the "Greek camp" (leading group) and the "Trojan camp" (trailing group). The Jupiter trojans are named after characters from the Trojan War.
The Jupiter trojans are a group of asteroids that share an orbit with Jupiter around the Sun, located at stable Lagrangian points, specifically at 60 degrees ahead of (the "Greek" camp) and 60 degrees behind (the "Trojan" camp) Jupiter in its orbit.
Jupiter trojans are a group of asteroids that share an orbit with Jupiter around the Sun, located at stable points known as Lagrange points, specifically at the 60-degree ahead and 60-degree behind positions in Jupiter's orbit. The two main groups are often referred to as the "Greek camp" (leading) and the "Trojan camp" (trailing). The list of Jupiter trojans is not contained within a simple table, but it includes thousands of individual objects.
The Jupiter trojans are a group of asteroids that share an orbit with the planet Jupiter, located in two clusters around the L4 and L5 Lagrange points, which are approximately 60 degrees ahead and 60 degrees behind Jupiter in its orbit around the Sun. The list of Jupiter trojans, particularly those numbered between 200001 and 300000, includes the specific designations and some additional information about these celestial objects.
The Jupiter trojans are a group of asteroids that share Jupiter's orbit around the Sun, clustering around the two stable Lagrange points (L4 and L5) which are 60 degrees ahead and behind Jupiter in its orbit, respectively. The List of Jupiter Trojans (Trojan camp) from 300001 to 400000 includes numerous numbered asteroids in that range.
The Jupiter trojans are a group of asteroids that share Jupiter's orbit around the Sun, residing in two groups at 60 degrees ahead of (the L4 point) and 60 degrees behind (the L5 point) the planet. They are named after characters from Greek and Roman mythology. The specific range of numbers you mentioned (400001–500000) refers to the cataloging of these asteroids based on their discovery numbers. This range includes many identified Jupiter trojans.
The Jupiter trojans are a group of asteroids that share an orbit with Jupiter, located at 60 degrees ahead of or behind the planet at stable points known as L4 and L5 Lagrange points. The list of Jupiter trojans in the range of 500001 to 600000 includes various numbered asteroids.
The list of Jupiter trojans that you are referring to consists of a collection of minor planets that share an orbit with Jupiter around the Sun, specifically in the so-called Trojan camp, which is located at the Lagrange points \( L_4 \) and \( L_5 \).
The list of asteroid close approaches to Earth includes information about asteroids that come near our planet at relatively close distances. These approaches are typically measured in lunar distances (the distance from the Earth to the Moon, about 384,400 kilometers or 238,855 miles). Asteroids that make close approaches can vary in size, speed, and characteristics.
In 2011, several asteroids made close approaches to Earth. While I can't provide an exhaustive list or specific details for all of them, here are a few notable close approaches that occurred that year: 1. **2011 AG5** - This asteroid was notable for being classified as a potentially hazardous asteroid (PHA) and had a close approach on January 9, 2011.
In 2012, several asteroids had close approaches to Earth. Here are some notable ones: 1. **2012 DA14** - This asteroid had a close approach on February 15, 2013, passing within about 27,700 kilometers (17,200 miles) of Earth. It was 45 meters (148 feet) in diameter.
In 2013, several asteroids made close approaches to Earth. Here are some notable instances: 1. **2013 ET** - This asteroid passed within about 1.7 lunar distances (LD) on March 4, 2013. 2. **2013 BX34** - Came within 0.0026 LD on January 30, 2013. 3. **2013 AZ** - Approached within 0.
In 2014, several asteroids made close approaches to Earth. While I can't provide a complete list of every single event, here are a few notable close approaches that occurred that year: 1. **2014 AA** - This small asteroid was notable for being discovered just hours before it made a very close flyby on January 1, passing within about 0.0018 AU (approximately 680 kilometers).
In 2015, there were several notable close approaches of asteroids to Earth. Some of the prominent ones include: 1. **2015 TS24** - This asteroid passed very closely to Earth on October 12, 2015. It was about 0.00274 AU (approximately 1.1 lunar distances) away. 2. **2015 HC** - This asteroid made a close approach on April 22, 2015, coming within 0.
In 2016, several asteroids made close approaches to Earth. Here's a list of some notable ones: 1. **2016 AJ193** - This asteroid had a close approach on 2016 January 12, coming within 0.017 AU (approximately 6.6 Earth radii). 2. **2016 BX43** - Came close on 2016 January 23, with a distance of about 0.007 AU.
In 2017, there were several notable close approaches of asteroids to Earth. Some of the key examples include: 1. **2017 AG13** - This asteroid passed within about 0.006 AU (approximately 2,500 km) of Earth on January 8, 2017. 2. **2017 BJ** - This object had a close approach on January 19, 2017, coming within about 0.
In 2018, several asteroids made close approaches to Earth. Here's a brief summary of some notable ones: 1. **2018 BX** - This asteroid made its closest approach on January 19, 2018, passing at a distance of about 173,000 kilometers from Earth. 2. **2018 CA** - Approached on February 1, 2018, at a distance of roughly 63,000 kilometers.
In 2019, several asteroids made close approaches to Earth. Here are some notable encounters: 1. **2019 EA2** - Approached on January 5, 2019, at a distance of about 0.0051 AU (astronomical units), which is approximately 2 million kilometers (1.2 million miles).
In 2020, several asteroids had close approaches to Earth. While this list isn't exhaustive, here are some notable close approaches that occurred during that year: 1. **2020 BX12** - A small asteroid that passed within approximately 0.00235 AU (about 930 km). 2. **2020 CX1** - This asteroid made a close approach on February 14, coming within about 0.0036 AU (roughly 1.4 million km).
In 2021, several asteroids made close approaches to Earth. While there were many such events, here are some of the notable ones: 1. **2021 EA** - An asteroid estimated to be around 20 meters in diameter passed within 0.0021 AU (about 800 km) of Earth on January 6, 2021. 2. **2021 CF1** - This asteroid was about 20 meters wide and came within 0.
In 2022, several asteroids made close approaches to Earth. Here’s a brief overview of some notable ones: 1. **2022 EB5** - This small asteroid, about 2 meters in diameter, passed within approximately 1,800 kilometers (about 1,100 miles) of Earth's surface on March 11, 2022. It was detected shortly before its closest approach.
As of my last knowledge update in October 2023, I do not have a specific list of asteroid close approaches to Earth for the entire year of 2023. However, close approaches of asteroids to Earth are tracked and reported by various space agencies, including NASA's Near Earth Object Program.
The term "exceptional asteroids" usually refers to asteroids that possess unique characteristics or features that set them apart from the majority. While there isn't a formal list recognized universally, several notable asteroids are frequently mentioned for their unusual properties. Here are some categories and examples of exceptional asteroids: 1. **Largest Asteroids**: - **Ceres**: The largest object in the asteroid belt and classified as a dwarf planet.
A list of near-Earth asteroids (NEAs) categorized by their distance from the Sun can vary over time due to the dynamic nature of their orbits. NEAs are classified as those that approach Earth's orbit. They can be categorized into different groups based on their orbital characteristics, such as Atira, Amor, and Apollo asteroids.
Lists of minor planets by name are collections or databases that categorize and provide information on minor planets (also known as asteroids) according to their designated names. Minor planets are small celestial bodies that orbit the Sun and are not classified as comets. These lists typically include the name of the minor planet, its numerical designation, discovery date, and sometimes additional information such as its orbital characteristics, physical properties, and the name of the astronomer or observatory that discovered it.
The "Lists of meanings of minor planet names" refers to collections or databases that provide explanations or definitions of the names given to minor planets (also known as asteroids) in our solar system. Minor planets are designated with numbers, and many of them are named after people, places, mythology, science, and various cultural references. These lists typically include: 1. **Name Origin**: Information about who or what the asteroid is named after.
The List of minor planets named after animals and plants includes a variety of asteroids that have been designated specific names reflecting various species or botanical terms. This naming convention is common in the field of astronomy, where minor planets are often named for their discoverers, mythological figures, and also flora and fauna.
A list of minor planets named after places includes celestial bodies (typically asteroids) that are named in honor of geographical locations, regions, cities, and other significant landmarks. These names often reflect cultural, historical, or personal significance associated with the area being honored. While I can't provide an exhaustive list, here are some notable examples: 1. **243 Ida** - Named after the mountain Ida on the Greek island of Crete.
The list of minor planets named after rivers includes celestial objects designated as asteroids that have been named to honor various rivers around the world. While I can’t provide an exhaustive or current list due to my last update being in October 2023, here are a few notable examples of minor planets named after rivers: 1. **1370 Acheron** - Named after the Acheron River, which is associated with Greek mythology and often referred to as the river of woe.
The list of named minor planets numbered between 100,000 and 149,999 is a compilation of minor planets (or asteroids) that have been officially named and cataloged by the International Astronomical Union (IAU). Each minor planet is given a unique number following its discovery, and over time, many of these receive official names which often honor individuals, places, or concepts.
The list of named minor planets from 10,000 to 19,999 includes various asteroids that have been given official names after their discovery. These minor planets are designated by numbers and often named after people, places, or mythological figures. The list is maintained by the International Astronomical Union (IAU).
The list of named minor planets from 1000 to 1999 includes a series of asteroids that have been assigned specific names rather than just numerical designations. Minor planets include both asteroids and some comets, and many of these named bodies are significant for various reasons, including their historical, mythological, or scientific relevance.
The list of named minor planets from 150,000 to 199,999 includes a variety of asteroids and other small celestial bodies that have been officially designated with names. Each entry typically includes the minor planet's numerical designation followed by its name and sometimes additional information regarding the name's origin or significance.
The "List of named minor planets: 1–999" refers to a catalog of minor planets, often called asteroids, that have been officially named and numbered from 1 to 999 by the International Astronomical Union (IAU). Each of these celestial bodies has been assigned a unique number and name, distinguished from one another as they orbit the Sun. This list includes significant early discoveries in the field of astronomy.
The "List of named minor planets: 200000–249999" refers to a compilation of minor planets (also known as asteroids) that have been officially named and have numerical designations ranging from 200,000 to 249,999. Each entry typically includes the minor planet's number, its provisional designation, and the name it has been given, often in honor of notable individuals, places, or cultural references.
The list of named minor planets, specifically for those numbered between 20,000 and 29,999, includes various celestial bodies that have been assigned specific names. Each minor planet is typically designated a number upon discovery and may receive a name later based on a system managed by the International Astronomical Union (IAU). Here's a brief overview: 1. **20000** - **20001** - **20002** ...
The list of named minor planets from 2000 to 2999 is a compilation of minor planets (also known as asteroids) that have been officially named by the International Astronomical Union (IAU) within that numerical range. Each minor planet has a designated number and a unique name, often honoring individuals, places, or significant events.
The list of named minor planets from 250,000 to 299,999 is quite extensive, and it's continuously updated as new minor planets are discovered and named. For detailed information about each minor planet's name, designation, and other relevant data, it is best to refer to resources like the International Astronomical Union (IAU) or specific databases such as the JPL Small-Body Database.
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