ListoPedia

Universe Expanses

This dataset contains information about various astronomical structures, specifically galaxy clusters and superclusters. Each entry provides details such as their type, distance from Earth, historical observation dates, and notable features associated with these structures.

  • Expansion Type: The classification of the astronomical structure, indicating whether it is a local group, supercluster, or cluster of galaxies.
  • Description: A brief overview of the structure, summarizing its characteristics and significance.
  • Distance from Earth (Light Years): The measurement of how far the structure is from Earth, expressed in light years.
  • Date of First Observation: The year when the structure was first documented or observed by astronomers.
  • Notable Features: Key characteristics or remarkable elements related to the structure, highlighting significant galaxies or phenomena within it.

Sample Data

Expansion Type Description Distance from Earth (Light Years) Date of First Observation Notable Features
Local Group A collection of galaxies including the Milky Way 0 1922 Andromeda Galaxy, Triangulum Galaxy
Virgo Supercluster A large cluster of galaxies that contains the Local Group 50 1990 Virgo Cluster, 2.3 million light-years across
Coma Cluster A cluster of galaxies in the Coma constellation 320 1877 Contains over 1,000 galaxies
Perseus-Pisces Supercluster A supercluster of galaxies 250 1980 One of the largest structures in the universe
Great Attractor A gravitational anomaly in intergalactic space of the Laniakea Supercluster 150 1980 Affects motion of galaxies
Laniakea Supercluster A supercluster that contains the Milky Way 500 2014 Encompasses 100,000 galaxies
Hydra-Centaurus Supercluster A large supercluster of galaxies 150 1988 Contains Alpha Centauri System
Bootes Supercluster One of the largest superclusters 700 2000 Contains over 60 clusters
Shapley Supercluster A massive concentration of galaxies 650 2005 Contains many large galaxies
Knotty Supercluster Supercluster found in the sky's constellation of Virgo 350 1992 Stars located in complex arrangement
Octant of the Universe Broadly split section of observable universe 400 2000 Contains more than 1,000,000 galaxies
Cosmic Web Large-scale structure of matter in the universe 1000 2004 Consists of filaments and voids
Observable Universe Contains all celestial bodies that can be observed with current technology 13800 1929 Radius of 46.5 billion light years
Dark Energy Field Mysterious field causing the acceleration of expansion Variable 1998 Dominates the energy density of the universe
Cosmic Microwave Background Radiation from the early universe 13.8 billion 1965 Remnant heat from the Big Bang
Large Magellanic Cloud Satellite galaxy of the Milky Way 163,000 350 AD Irregular galaxy rich in star formation
Small Magellanic Cloud Another satellite galaxy of the Milky Way 200,000 350 AD Also irregular, with a stellar population
Milky Way Halo The spherical region surrounding the Milky Way 0 1970 Contains older stars and globular clusters
Virgo WHIM Warm-hot intergalactic medium 300 2001 Consists of ionized hydrogen and helium
Voids in Space Large empty spaces in the universe Varied 1990 Surround galaxy clusters and superclusters
Galactic Filaments Long, thread-like formations of galaxies and dark matter 500 2000 Part of the structure of the Cosmic Web
Great Wall Structures Massive 3D regions of galaxy clustering 600 1989 Includes Sloan Great Wall
Cosmic Sheet Flat region in the universe where galaxies are densely packed 800 1995 Part of the Cosmic Web
Elliptical Galaxy Clusters Clusters featuring mostly elliptical galaxies 400 1981 X-ray emitting hot gas
Irradiated Star Clusters Clusters located in intense radiation zones 500 2010 Dynamic stellar formations
Collision Galaxy Regions Areas where galaxies are interacting and colliding 1,000 2005 Formation of new star systems
Superclusters of Galaxies Large groups of galaxies bound together by gravity 1,300 1996 Contains many little galaxies
Galactic Superstructures Large assemblages of galaxy clusters and groups 1,500 2007 Influence observable universe structure
Singularities Points in space-time with infinite density 0 1916 Black holes formed from collapsing stars
Gravitational Lensing Areas Regions where light is bent by gravity 1,000 1988 Used to detect dark matter
Gamma-Ray Bursts Regions Areas with intense gamma radiation bursts 1,000 1967 Contributed to understanding of universe expansion
Redshift Observations Measurement of light waves stretched due to expansion 12 billion 1929 Observed in distant galaxies
Observation of Exoplanets Planets located outside our solar system Variable 1992 Searching for signs of life
Quasar Regions Areas housing highly luminous quasars 13 billion 1963 Most distant observed objects in universe
Supernova Remnants Expanding shells of gas from supernova explosions 1,000 1054 Contains rich elements helpful in cosmic understanding
Hypernova Regions Regions where hypernova explosions occurred Variable 1996 Help understand heavy element formation
Filamentous Structures Stretching galaxies forming filamentary structures 1,000 2011 Visible in deep universe surveys
Space-Time Curvature Areas Regions with significant curvature influencing gravity Variable 1920 Key to general relativity insights
Neutron Star Clusters Tightly packed formations of neutron stars 1,600 1975 Matter in these regions is extremely dense
Sparse Galaxy Regions Regions with a lack of galaxy clustering 500 2000 Helps understand dark energy effects
Ecliptic Plane Orientations Regions aligned with the solar system's ecliptic plane Variable 1990 Influences observations of cosmic rays
Dark Matter Halos Regions believed to are dominated by dark matter 1,000 1980 Major component affecting galaxy formation
Cosmic Feathers Regions of filamentary structures resembling feathers Varied 2005 Noted in cosmic web imaging
Formation of Large Scale Structures Evolution of frameworks within the universe variable 2001 Modeling of large-scale processes
Galactic Clouds Giant clouds of gas and dust in galaxies Variable 1980 Site of star formation
Extragalactic Distance Scale Models of measuring distances beyond our galaxy 600 1998 Key for understanding universal expansion
Surface of Last Scattering Last contact layer before photons exited the dense plasma 500,000 1965 Key feature from Big Bang theory
Cosmic Dawn Period when stars first began to light up the universe 1 billion 2012 Time of formation of the first galaxies
Starburst Galaxies Galaxies undergoing rapid star formation 200,000 1975 Luminous and energetic phenomena
Hypervelocity Stars Stars moving faster than Galactic escape velocity 6,000 1985 Origin thought to be from supernova events
Exotic Matter Regions Hypothetical regions containing exotic matter Variable 2000 Speculation in theoretical physics
Universe Inflation Periods Rapid expansions after the Big Bang 10^(-36) to 10^(-32) seconds 1990 Key to cosmological theory
Orbital Clouds of Debris Regions with scattered debris from cosmic bodies 10,000 2008 Influences collision event probabilities
Star System Clusters Associations of multiple star systems 100,000 1980 Dynamic environments for stellar evolution
Orbital Resonance Regions Areas where bodies experience gravitational pull from a larger body 100,000 1990 Forms stable orbital patterns
Scattered Disc Objects Object regions beyond the Kuiper Belt 30,000 1992 Contains many dwarf planets
Oort Cloud Hypothesis Theoretical cloud of icy objects surrounding solar system 0 1950 Source of long-period comets
Kuiper Belt Region of icy bodies beyond Neptune 30 1992 Contains dwarf planet Pluto
Planetesimals Small bodies from which planets formed 10,000 1960 Evidence in asteroid belts
Asteroid Belt Region of rocky material between Mars and Jupiter 0 1801 Contains the dwarf planet Ceres
Binary Star Systems Groups of two stars orbiting each other 100,000 2000 Varieties include many different types
Planetary Nebulae Shells of gas ejected by dying stars 200 1787 Contains remnants of dying stars
Dwarf Galaxies Smaller galaxies composed of stars and gas 2 million 1938 Associated with larger galaxies
Brightest Cluster Galaxies Central galaxies in galaxy clusters 1 billion 1980 Dominant features of superclusters
Active Galactic Nuclei Bright central regions of galaxies due to accreting supermassive black holes 1 billion 1962 Include quasars and blazars
Long-duration Gamma-Ray Bursts Energy release from collapsar models 8 billion 1997 Connected to massive stars' deaths
Microlensing Events Distant stars being magnified via gravitational effects 1 billion 1995 Used in exoplanet detection
Cosmic Voids Large gaps between galactic filaments 500 2000 Help study dark energy effects
Galactic Neighborhoods Areas immediately surrounding the Milky Way 0 1980 Contain smaller galaxies
Streaming Motion Regions Regions where galaxies are moving relative to the Cosmic Microwave Background 500 1990 Help measure cosmic motion
Star-Forming Regions Areas rich in gas clouds leading to star formation 500 2000 Key to studying stellar life cycles
Comet Clouds Dense clouds of icy comet bodies 0 1950 Source of comets entering the solar system
Solar System A single stellar system with its planetary bodies 0 unknown Includes planets, moons, and more
Gravitational Waves Regions Areas experiencing ripples in space-time due to massive celestial events Variable 2015 Observation of colliding black holes
Dark Energy Dominated Regions Areas of universe with significant dark energy influence 1,000 2000 Crucial in understanding cosmic acceleration
Supercluster Clusters Clusters composed of multiple superclusters 1 billion 2000 Major formations within cosmic structures
Heliospheres Regions of solar wind influencing planetary environments 0 1970 Solar wind's influence extends into the galaxy
Magnetars Regions of neutron stars with intense magnetic fields 50,000 1999 Unique properties affecting nearby space
Nebula Complexes Large regions of gas and dust where new stars form 3,000 1864 Sites for many birthplaces of stars
Phantom Galaxy A galaxy with light fully dissociated from its light source 3,000 2005 Noted for spectral anomalies
Star Clusters Groups of stars that are gravitationally bound 10,000 1990 Including open and globular clusters
Protoplanetary Disks Disks of material surrounding a young star 400 1980 Formation sites for planetary systems
Globular Clusters Spherical collections of stars orbiting a galaxy's core 30,000 1830 Contains some of the oldest stars
Elliptical Galaxy Filaments Filament observed primarily in elliptical galaxies 500 1990 Influences formation of galaxy clusters
Barred Spiral Galaxies Spiral galaxies with a bar-shaped structure 1,000 1965 Includes familiar galaxies like the Milky Way
Gamma-ray active galaxies Galaxies emitting gamma rays due to black hole activity 3 billion 1991 Observed for their extreme energy outputs
Intergalactic Space The vast expanse of space between galaxies 1 billion 2000 Absence of matter but presence of dark energy
Fuzzy Galaxies Galaxies with unclear structures due to dense star fields 8 billion 2000 Unique spectral observations reported
Zombie Galaxies Galaxies with no new star formation activity 1 billion 2012 Revived from previously quiescent status
Superluminal Motion Regions Areas observing objects moving faster than light 3 billion 1980 Phenomenon associated with relativistic jets
Formation of Cosmic Structures Evolution of large scale cosmic formations 1 billion 2000 Contributes to dark matter studies
Redshifted Galaxies Galaxies whose light is shifted to redder wavelengths 12 billion 1995 Used for measuring distance and speed
Dark Flow Areas Regions with anomalous redshift indicative of the universe's structure 3 billion 2008 Potential implications for cosmology
Cosmic Microwave Background Map Map describing initial conditions of the universe 13 billion 1992 Information on early universe structure
Inflationary Bubbles Hypothetical regions of the universe with rapid expansion 10^(-36) to 10^(-32) seconds 1990 Key to inflationary theory
Defunct Quasars Quasars that are no longer active 1 billion 2000 Understanding their life cycle is essential
Galactic Cannibalism Regions Areas undergoing the merging of galaxies 1 billion 2010 Fuses different stellar environments
Tempo of Galaxy Separation Rate at which galaxies are receding from each other 10 billion 1990 Influenced by dark energy and expansion
Star-Chain Structures Linear arrangements of stars indicating cosmic patterns 500,000 2000 Observations in stellar populations
Orbital Dynamics Zones Areas defining motion patterns in gravitational fields 1 billion 2004 Several astrophysical phenomena occurring
Cosmic Structures Tectonics Modeling shifts and movements of cosmic structures 1 billion 2008 Influences on formation of galaxies
Star Segmentation Areas Defined spaces for identifying star demographics 500,000 2010 Defining characteristics of stellar types
Double Galaxy Systems Pairs of galaxies in close proximity 1 billion 1980 Impacts understanding of galactic interactions
Dynamic Intergalactic Regions Rapidly changing fields of galactic interaction 500,000 1990 Foster galactic growth and interactions
Quasar Clusters Congregations of quasars in a single direction 2 billion 1995 Studies linking to the evolution of galaxies
Variable Star Fields Regions containing changing luminosities over time 30 million 1985 Crucial for measuring distances and masses
Submillimeter Galaxies Galaxies emitting in the submillimeter range 1 billion 2004 Growth areas linked to star formation
Universal Expansion Fields Space regions observing exponential expansion patterns 13 billion 2015 Contributes to the understanding of dark energy
Variable Barred Galaxies Barred galaxies exhibiting changes in brightness 1,000 2005 Important for long-term observations in stellar studies
Extremely Distant Galaxies Galaxies located at the farthest reaches of the known universe 13.4 billion 2020 Key to understanding the Big Bang
Metal-Poor Galaxies Galaxies that have not undergone extensive star formation 10 billion 2000 Insight into the universe's chemical evolution
Dark Matter Dominated Clusters Galaxy clusters consisting mainly of dark matter 1 billion 2000 Share insight into cosmic evolution
Astrophysical Jet Streams High-energy streams ejected from galaxies 2 billion 1983 Notable emissions of galaxies' cores
Temporal Gravitational Effects Regions discussing time dilation due to gravity 1 billion 1940 Effects of general relativity
Binary Black Hole Systems Pairs of black holes orbiting each other 1 billion 2004 Key to gravitational wave discovery
Transient Cosmic Events Short-lived phenomena observed in space 10 billion 2000 Cosmic explosions and ephemeral emissions
Multiverse Hypothesis Regions Theoretical areas implying many universes coexist Unknown 2000 Potential explanation for cosmic anomalies
Baryon Acoustic Oscillations Patterns in cosmic microwave background due to sound waves 0 2005 Crucial in understanding universe's evolution
Massive Galaxy Clusters Larger clusters of galaxies holding important structure 1 billion 2006 Used to study dark matter properties
Reionization Epoch Time when the universe transitioned into its current state 1 billion 2012 Critical for understanding cosmic history
High-Redshift Galaxy Groups Groups of distant galaxies 10 billion 2000 Provides insight into early structure of our universe
Deep-Sky Observational Areas Regions focused on observing deep cosmic structures 3 billion 2000 Absorption of light from background sources
Intergalactic Medium Studies Learning about the gas between galaxies 8 billion 2000 Essential for understanding cosmic interactions
Spectral Emission Observations Observing galaxies through their emission spectra 1 billion 2000 Key in identifying galactic compositions
Local Cosmic Structures Close-regions of galaxies around Earth 0 1980 Affects our understanding of galaxy formation
Galaxy-Halo Connection Connection between galaxy formation and surrounding halos 1 billion 2000 Dark matter influences on galactic evolution
Galaxy Morphology Study Research on the shapes and structural anomalies of galaxies 0 2000 Classifications derived from imaging
Baryonic Matter Structures Regions explaining observable matter compositions 1 billion 2001 Critical in studying cosmic compositions
Growth of Cosmic Structures Generational behaviours throughout cosmic growth 1 billion 2008 Chain reactions in dark matter aggregations
Galactic Tidal Features Traces of gravitational influence from nearby bodies 1 billion 1980 Key to galaxy evolution understanding
Accretion Disks Disks of gas and dust accumulating around celestial bodies 1 billion 1980 Key in studying star formation and black holes
Cosmic Filament Interactions Interactions of large-scale galaxy filaments 1 billion 2008 Insight into structure growth
Metal-Enriched Regions Galactic areas enriched with heavy elements 2 billion 2000 Important for star formation rates
Starburst Activity Zones Rapid star formation resulting in luminosity 1 billion 2005 Links to major cosmic events
Galactic Scale Mergers Merging of large cosmic entities over time 1 billion 2008 Study of gravitational interactions
Solar System Expansion Regions Cosmic boundaries surrounding solar systems 0 2016 Debate surrounding planetary formations
Transitional Phases Periods in celestial bodies' lifecycles 2 billion 2001 Key for understanding evolution
Accretion Environments Spaces where accretion occurs around massive bodies 1 billion 2010 Key for star formation and black hole development
Quantum Gravitational Effects Theoretical area focusing on gravity at a quantum level Unknown 2000 Speculation surrounding quantum cosmology
Hubble Flow Measurement of galaxies moving away due to cosmic expansion 700 million 1929 Standard in cosmic measurement
Expanding Universe Models Theories explaining the dynamics of universe expansion 13.8 billion 2000 Essential in cosmic understanding
Cosmological Principle Assumption about the uniformity of the cosmos's large-scale structure Unknown 2000 Basic postulate for cosmological models
N-body Simulations Mathematical models representing systems of particles Unknown 1980 Key in astrophysical investigations
Galaxy Cluster Templates Standard structures for understanding galaxy clusters 1 billion 2000 Aids in structural galaxy developments
Stellar Halo Studies Analyzing the outskirts of galaxies dominated by older stars 500,000 2005 Conveys insights into galaxies' past
Gamma Ray Emissions High-energy emissions from cosmic events 1 billion 1985 Outcome of massive celestial occurrences
Star Density Regions Spaces with varying concentrations of stars 200,000 2003 Influential in understanding our galaxy's structures
Rogue Planets Planets that have been ejected from their parent stars 1 billion 2010 Potential for interesting life development
Galaxial Vestibules Preliminary patterns of cosmic evolution leading to galaxies 10 billion 2013 Insights into early star development
Standard Candle Variables Cosmic objects used to measure distance reliably 10 billion 2000 Assist in calibrating universal measurements
Precursors to Galaxy Formation Identifying structures leading to galaxies 13 billion 2012 Understanding how stars aggregate
Protoplanetary Envelopes Surround stars prior to planetary formation 1,000 2000 Aid in developing planet formation theories
Tiamaadin Energy Fishes Space blues indicating energy radiance within stellar systems 0 2000 Key observation space studies
Hypercompact Dwarf Galaxy Regions Ultra-compact, low-mass star systems 1 billion 2000 Unique features associated with galaxy formation
Panspermia Theories Theories of life spreading through space via matter Unknown 2000 Speculations on universal life
Astronomical Event Horizons Boundaries surrounding black holes and singularities NaN 1960 Play a critical role in defining black holes
Unstable Cosmic Structures Galaxies that are undergoing rapid changes 1 billion 2001 Essential for understanding cosmic dynamics
Multi-wavelength Observations Data collected across different wavelengths, fuels understanding 0 2000 Provides complete view of celestial events
Faint Early Galaxies Galaxies observed at high redshift that are dim 13 billion 2000 Indicate star formation rates in early universe
Chaotic Stellar Environments Unstable regions that lack steady formation 1 billion 2000 Inform our studies on galaxy formation
Star Composition Studies Research on elemental compositions of stars 1 billion 1990 Key for understanding stellar life cycles
Redshift Surveys Surveys to measure the distance and velocity of galaxies 1 billion 1995 Key to understanding the structure of the universe
Galactic Habitats Regions conducive to the development of life in the universe 200,000 2000 Critical for astrobiological studies
Monstrous Cosmic Animals Terms describing size-like structures in space 0 2005 Descriptive of massive entities within the universe
Transdimensional Studies Research involving dimensions beyond the standard three 0 2000 Theoretical explorations of multi-dimensional universes
Massive Star Death Regions Regions studying the aftermath of massive stars' deaths 10 billion 2000 Explains stellar evolution and remnants
Observation of Temporal Light Views on the light emitted through cosmic time 1 billion 2000 Delving into the idea of cosmic time structure
Dark Matter Filaments Dark matter concentrations forming thread-like structures 500 million 2000 Informs on matter distribution
Holistic Approaches to Cosmic Studies Integrative methodologies in understanding the entire cosmos 0 2000 Brings multiple fields together for cosmic understanding
Astrophysical Ramifications Consequences felt from cosmic phenomena 0 2000 Understanding these effects aids astronomy
Territorial Definitions of Space Boundaries defined by matter and energy in the cosmos 0 2000 Establishes cosmic frameworks
Intellectual Understandings of the Universe Theoretical definitions of existence in our cosmos 0 2000 Involve cosmology and philosophy discussions
Cosmic Analysis Techniques Methods developed for analyzing cosmic bodies and interactions 0 2000 Crucial in modern astronomical research
Interactive Space Concept Ideas conceptualized around collaborative cosmic understanding 0 2000 Merges both observational and theoretical insights
Critical Thinking in Astrophysics New methodologies in critically addressing cosmos questions 0 2000 Increasing effectiveness in research environments
Galactic Association Types Identifying types of associations influencing galaxies 1 billion 2003 Key to understanding cosmic group behavior
Legendary Cosmic Paths Famous pathways traced within the universe 13 billion 2000 Impactful historical discoveries in cosmology
Perspective Shifts in Cosmology Revising paradigms based on new insights 0 2000 Continuous evolution of cosmic understanding
Central Cosmos Principles Fundamental ideas forming the basis of cosmic exploration 0 2000 Core tenets underpinning cosmic studies
Dimensional Polymorphisms Theoretical variations in dimension characteristics 0 2000 Speculative crosses across theoretical physics
Observer's Universes Concept of desired perceptions experienced by observers in space 0 2000 Deep impact of observational selections
Shifts in Cosmic Dynamics Changes in structure and behavior in cosmic entities 0 2000 Vital to understanding cosmic progress
Infinity in Cosmic Concepts Philosophical approaches to infinity in space and time 0 2000 Theoretical engagement on vast cosmic scenarios
New Frontiers in Astronomy Emerging fields and areas of research in astronomy 0 2000 What might the universe's future hold?
Time Dilation Regions Spaces impacted by traveling at relativistic speeds 0 2000 Unique to relativistic journeys and phenomena
Stellar Disruptions Cosmic events resulting from stellar explosions or interactions 0 2000 Key observations in stellar destruction processes
Scientific Community Engagements Interactions among scholars studying cosmos 0 2000 Encouragement of interdisciplinary studies
Community Cosmological Items Centrally recognized items in cosmological discussions 0 2000 Guided focus in educational contexts
Phenomenological Astronomical Items Focus on observable findings across duration 0 2000 Impacts interpretations of cosmic phenomena
Visual Spectrum Cosmic Concepts Study regarding visualized aspects of the universe 0 2000 Light as the primary medium of cosmic visuals
Galactic Disturbance Patterns Historic observations indicating influence among galaxies 0 2000 Critical measurements for cosmic assessments
Microgravity Influence Zones Effects of microgravity in cosmic environments 0 2000 Understanding the basics of space phenomena
Time Travel Paradigms Theoretical underpinnings to cosmic time travel ideas 0 2000 Compatible insights with physics and possibilities
Cosmic Communication Mediums Methods of seeking universal communication signals 0 2000 Speculative improvements in signal search
Hypercube Deployments Tenets on multi-dimensional travel across structures Unknown 2000 Grounded in theoretical physics
Celestial Navigation Systems Methods developed for navigating cosmic bodies 0 2000 Impact technological advances in space navigation
Cosmic Archiving Systems Data collective of important cosmic information storage 0 2000 Essential in preserving cosmic research findings
Digital Universal Interfaces Summative methodologies for the cosmos data management 0 2000 Integration of technological advancements
Scientific Measurement Metrics Established standards for cosmic measurements 0 2000 Foundational in astronomical calculations
Phenomenal Intricacies Insights and patterns in universal phenomena 0 2000 Key observations influencing cosmic hypothesis