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Structural component of galaxies
A thin disk is a structural component of spiral and S0-type galaxies, composed of stars, gas and dust. It is the main non-centre (e.g. galactic bulge)
Thin_disk
Structural component of some galaxies
as a distinct galactic structure in the Milky Way, different from the thin disk and the halo. It is thought to dominate the stellar number density between
Thick_disk
Structure formed by diffuse material in orbital motion around a massive central body
thin disks. The classic 1974 work by Shakura and Sunyaev on thin accretion disks is one of the most often quoted papers in modern astrophysics. Thin disks
Accretion_disk
Distance over which a quantity decreases by a factor of e
the isothermal disk scale height. A magnetic field in a thin gas disk around a central object can change the scale height of the disk. For example, if
Scale_height
Galaxy containing the Solar System
galactic thin disk has also been estimated using nucleocosmochronology. Measurements of thin disk stars yield an estimate that the thin disk formed 8
Milky_Way
those models. thick disk population One of the structural components of about 2⁄3 of all disk galaxies, including the Milky Way. thin disk population The layer
Glossary_of_astronomy
Small, movable part of a disk drive
A disk read-and-write head is the small part of a disk drive that moves above the disk platter and transforms the platter's magnetic field into electric
Disk_read-and-write_head
Property of accretion disks
(thickness) of the disk. Disks can be categorized as geometrically thin, slim, or thick. Thicker disks have higher mass accretion rates than thinner ones, as radiation
Geometrical_thickness
Galaxy in the constellation Draco
Hubble Space Telescope Imaging Spectrograph reported the presence of a thin disk of material around a supermassive black hole at the center of NGC 3147
NGC_3147
Galaxy that orbits a larger galaxy due to gravitational attraction
preexisting thin disk component of a host galaxy is heated during a minor merger and consequently the thin disk expands to form a thicker disk component
Satellite_galaxy
output that are realized on opposite sides of a thin layer of active gain medium. Despite their name, disk lasers do not have to be circular; other shapes
Disk_laser
Interstellar comet in 2025
have originated from either the Milky Way's thin disk, or thick disk; if 3I/ATLAS originated from the thick disk, the comet could be at least 7 billion years
3I/ATLAS
W. Andrew; Shori, Ramesh K. (eds.). "Near fundamental mode high-power thin-disk laser". Solid State Lasers XXIII: Technology and Devices: 89590U. doi:10
Laser_power_scaling
Scientific educational toy
for any thin, circularly symmetric disk with mass M; k=1/2 for a disk with mass concentrated at the rim, k=1/4 for a uniform disk (like Euler disk), a is
Euler's_Disk
Gas and dust surrounding a newly formed star
analogs of the protoplanetary disks. The formation of planets and moons in geometrically thin, gas- and dust-rich disks is the reason why the planets
Protoplanetary_disk
Removable disk storage medium
A floppy disk, diskette, or floppy diskette is a type of disk storage made from a thin, flexible disk coated with a magnetic storage medium. It is enclosed
Floppy_disk
Natural number
multicellular eukaryotes appeared on Earth. About 109 decades ago, the thin disk of the Milky Way started to form. (109 decades is exactly 10 billion years
1,000,000,000
Natural physical entity in space
Galaxies have a variety of morphologies, with irregular, elliptical and disk-like shapes, depending on their formation and evolutionary histories, including
Astronomical_object
Component of disc galaxies comprising gas and stars
strong relationship between the metallicities and ages of stars. Thick disk Thin disk "Scale". Archived from the original on 2023-03-06. Retrieved 2021-11-30
Galactic_disc
Class of axisymmetric solutions to Einstein's field equations
finite geometrical size. Exact solutions describing relativistic static thin disks as their sources were first studied by Bonnor and Sackfield and Morgan
Relativistic_disk
American candy
Necco Wafers are a sugar-based candy, sold in rolls of variously-flavored thin disks. First produced in 1847, they became the namesake and core product of
Necco_Wafers
Plant species in the fig family
stamens are inserted opposite the lobes of the calyx, on the margin of a thin disk. Pistillate flowers are borne in a dense, spherical, many-flowered head
Maclura_pomifera
Study of the movement of stars
stars in different subcomponents of the Milky Way including the thin disk, the thick disk, the bulge, and the stellar halo provides important information
Stellar_kinematics
Type of galactic form
Thick disk Thin disk "Disk Galaxies | COSMOS". astronomy.swin.edu.au. Kuijken, Konrad (September 1993). "Counter-Rotating Populations in a Disk Galaxy"
Disc_galaxy
Device that emits light via optical amplification
cause thermal lensing and reduce the quantum efficiency. Diode-pumped thin disk lasers overcome these issues by having a gain medium that is much thinner
Laser
Binary star system in the constellation Pisces
Earth, it is located roughly 350 light-years distant from the Sun in the thin disk population of the Milky Way. The two components are designated Eta Piscium
Eta_Piscium
Distant brown dwarf
likely is located outside the thin disk of the Milky Way. Burgasser et al. found a high probability (76%) of it being a thick disk member, and a moderate probability
UNCOVER-BD-1
Circular disk on which magnetic data is stored in a hard disk drive
A hard disk drive platter or hard disk is the circular magnetic disk on which digital data is stored in a hard disk drive. The rigid nature of the platters
Hard_disk_drive_platter
Compact astronomical body
on the disk's turbulence and magnetisation and the black hole's mass and angular momentum. Accretion disks can be defined as geometrically thin or geometrically
Black_hole
Mechanical drive
relies on the inter-meshing of a number of thin disks. By varying their separation, the effective radius of one disk varies, thus changing the overall gear
Beier_variable-ratio_gear
the Galactic disk: Is there a universal age–metallicity relation (AMR) in the Galactic disk (both "thin" and "thick" parts of the disk)? In the local
List of unsolved problems in astronomy
List_of_unsolved_problems_in_astronomy
One of the oldest stars in the universe
the brightest UMP star, as a binary system, known, and is part of the "thin disk" of the Milky Way, the part of the galaxy in which the Sun is located
2MASS_J18082002−5104378
Graph used in astrophysics
Galactic stellar low-alpha disk (historically known as the Galactic stellar thin disk), with [α/Fe] values as low as the Sun. Furthermore, the diagrams facilitate
(α/Fe)_versus_(Fe/H)_diagram
Remains of a galaxy merger in the Milky Way
the thin disk to make it a thick disk, whilst the gas it brought into the Milky Way triggered a fresh round of star formation and replenished the thin disk
Gaia_Sausage
Characteristic of rotors/propellers
modeled as an infinitesimally thin disk with an infinite number of blades that induce a constant pressure jump over the disk area and along the axis of rotation
Disk_loading
Bookkeeping survey of stars
Location: In the Milky Way galaxy the groups are described as thin disk, thick disk, central bulge, and halo. Multiplicity: Most stars are members of
Star_count
A floppy disk is a disk storage medium composed of a thin and flexible magnetic storage medium encased in a rectangular plastic carrier. It is read and
History_of_the_floppy_disk
Simple computer for remote server access
permanent flash memory as a hard disk substitute. In 2013, a Citrix employee experimented with a Raspberry Pi as a thin client. Since then, several manufacturers
Thin_client
Species of tree
encircled by the broader keel petals. Stamens: Ten, inserted in two rows on a thin disk, free, the inner row rather shorter than the others. Pistil: Ovary superior
Cercis_canadensis
Disc vs. disk
Look up disc or disk in Wiktionary, the free dictionary. Disc and disk are both variants of the English word for objects of a generally thin and cylindrical
Spelling_of_disc
Electro-mechanical data storage device
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical computer data storage device that stores and retrieves digital data
Hard_disk_drive
Computer workstation operated without disk drives
(or diskless workstation) is a workstation or personal computer without disk drives, which employs network booting to load its operating system from a
Diskless_node
Technique to determine timescales for astrophysical objects and events
determine the age of the Sun (4.57±0.02 billion years) and of the Galactic thin disk (8.8±1.8 billion years), among other objects. It has also been used to
Nucleocosmochronology
Variable star
G6/8III. With an estimated age of 282 million years, it is an evolved, thin disk star that is currently on the red horizontal branch. The interferometry-measured
Omega2_Scorpii
Nugget of bronze used as ancient currency
these lumps and, eventually, make them into a standard shape (the round, thin disk-shape still in use today). Roman Republican coinage Pliny the Elder: Naturalis
Aes_rude
Alpha-enhanced stars with young age indicators
regions similar to those of old α-enhanced (thick-disk) populations rather than to low-α thin-disk stars of comparable inferred age. This has been interpreted
Alpha-enhanced stars with anomalous ages
Alpha-enhanced_stars_with_anomalous_ages
Milky Way 2MASS J18082002−5104378 13.53 ~0.8 5,440 ± 100 1,950 Milky Way thin disk SMSS J031300.36−670839.3 13.4 ~0.75 5,125 6,000 Milky Way halo or Globular
List_of_oldest_stars
Region of a galaxy in which life might most likely develop
relative to the Sun's ratio (where −1 would be 1⁄10 such metallicity); the thin disk, in which local sectors of the local Arm are, has an average metallicity
Galactic_habitable_zone
Star in the constellation Hydra
radii (680,000 km). It is slightly metal-rich and is a member of the thin disk population. Anderson, E.; Francis, Ch. (2012). "XHIP: An extended hipparcos
HD_76151
American laser scientist
research with high power thulium fiber lasers, and ytterbium fiber and thin disk lasers in ns-pulsed and cw temporal regimes. She developed a wavefront
Christina_C._C._Willis
Exact solution for the Einstein field equations
Neugebauer–Meinel disk, an exact dust solution which models a rotating thin disk, approaches in a limiting case the GM2=cJ Kerr geometry. Physical thin-disk solutions
Kerr_metric
Waveguide component
electromagnetic waves traveling through a rectangle waveguide. It comprises a thin, disk-shaped attenuation material that extends through a longitudinal slot in
Flap_attenuator
History and future of the universe
to appear very similar for many billions of years into the future. The thin disk of the Milky Way began to form when the universe was about 5 billion years
Chronology_of_the_universe
Barred spiral galaxy in the Local Group
halo, including the Giant Stream, and also the extended thick disk, the young age thin disk, and the static 10 kpc ring. During this epoch, its rate of
Andromeda_Galaxy
Shockwave generator
a shaped charge accelerates hydrogen gas, which in turn accelerates a thin disk up to about 40 km/s. A slight modification to the Voitenko compressor
Voitenko_compressor
Star in the constellation Phoenix
was discovered in 2021. The star system kinematically belongs to the thin disk of the Milky Way. The primary is an old star with small starspot activity
WASP-29
Subfield of cosmology
number of thin disk galaxies in the universe. The reason is that these galaxy formation models predict a large number of mergers. If disk galaxies merge
Galaxy formation and evolution
Galaxy_formation_and_evolution
Recording of data on a magnetizable medium
using one or more read/write heads. Magnetic storage media, primarily hard disks, are widely used to store computer data as well as audio and video signals
Magnetic_storage
Star in the constellation Ursa Major
the orange hue of a K-type star. Psi Ursae Majoris is a member of the thin disk population of the Milky Way. It is following an orbit through the galaxy
Psi_Ursae_Majoris
X-ray binary in Cygnus containing a stellar black hole
object is thought to be orbited by a thin, flat disk of accreting matter known as an accretion disk. This disk is intensely heated by friction between
Cygnus_X-1
Disputed galaxy located near the constellation Canis Major
suggests that the trail of stars is part of the warped galactic thin disk and thick disk population and not a result of the collision of the Milky Way with
Canis_Major_Overdensity
Star in the constellation Ursa Major
position and space velocity this is most likely (97% chance) an older thin disk star. An exoplanet has been detected in a close orbit around the star
HD_118203
the Galactic disk: Is there a universal age–metallicity relation (AMR) in the Galactic disk (both "thin" and "thick" parts of the disk)? Although in
List of unsolved problems in physics
List_of_unsolved_problems_in_physics
virtualized resources, then it is not thin-provisioned. In this article, the term "thin provisioning" is applied to the disk layer, but in practice, it can refer
Thin_provisioning
magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. Both the hard disk drive (HDD) and floppy disk drive
History of IBM magnetic disk drives
History_of_IBM_magnetic_disk_drives
System of two stars orbiting each other
star in orbit around it), and 2MASS J18082002−5104378 (a binary in the "thin disk" of the Milky Way, and containing one of the oldest known stars). In Polynesian
Binary_star
Gun designed to generate very high speed
compressor – Shaped charge driven device which uses hydrogen gas to accelerate thin disks up to about 40 km/s Swift, Hallock F. (2005). "Light-Gas Gun Technology:
Light-gas_gun
Galaxies with interacting gravitational fields
According to computer simulations, the interactions convert the affected galaxy disks into disturbed barred spiral galaxies and produces starbursts followed by
Interacting_galaxy
Hypothetical type of dark matter in physics
P; Wittenburg, N; Javanmardi, B (2022-02-01). "The High Fraction of Thin Disk Galaxies Continues to Challenge ΛCDM Cosmology". The Astrophysical Journal
Cold_dark_matter
Type of light that can be emitted by an optical amplifier
Dong; K. Ueda (2006). "Surface loss limit of the power scaling of a thin-disk laser". JOSA B. 23 (6): 1074–1082. Bibcode:2006JOSAB..23.1074K. doi:10
Amplified spontaneous emission
Amplified_spontaneous_emission
K-type star in the constellation Horologium
25,400 light years from the center of the Galaxy, placing it within a thin disk. It belongs to the Hyades supercluster of stars, and is one of 155 K-type
Gliese_146
Anatomical feature in joint cavities
The articular disc (or disk) is a thin, oval plate of fibrocartilage present in several joints which separates synovial cavities. This separation of the
Articular_disc
Planetary nebula in the constellation Scorpius
I, indicating it is helium and nitrogen rich and the progenitor was a thin disk star. A 1986 analysis of spectra showed this to be an unusual nebula.
NGC_6153
Binary brown dwarf system in the constellation Vela
Luhman 16 was discovered, concluded that the brown dwarf belongs to the thin disk of the Milky Way with 96% probability, and therefore does not belong to
Luhman_16
Matter and radiation in the space between the star systems in a galaxy
to a relatively thin disk, typically with scale height about 100 parsecs (300 light years), which can be compared to a typical disk diameter of 30,000
Interstellar_medium
Conserved physical quantity; rotational analogue of linear momentum
Physics and Astronomy, Georgia State University. "Moment of Inertia: Thin Disk". HyperPhysics. Retrieved 17 March 2023. Wilson, E. B. (1915). "Linear
Angular_momentum
Explosive with focused effect
a shaped charge accelerates hydrogen gas which in turn accelerates a thin disk up to about 40 km/s. A slight modification to the Voitenko compressor
Shaped_charge
Constellation in the northern celestial hemisphere
spectral types A and F. Such stars are usually not found in a galaxy's thin disk, but rather in the galactic halo. Such stars serve as standard candles
Lyra
8-bit microprocessor from 1975
printing multiple copies of the chip design on the surface of a wafer, a thin disk of highly pure silicon. Smaller chips can be printed in greater numbers
MOS_Technology_6502
Middle-eastern ground meat and bulgur dish
[citation needed] Kibbeh sajiyeh (Arabic: كبة صاجية) is kibbeh shaped into a thin disk with a meat filling that is traditionally dipped in a yogurt sauce. A
Kibbeh
French manufacturing company
form of substrates (also called "wafers"). These are produced as ultra-thin disks that are 200 to 300 mm in diameter and are less than 1 mm thick. These
Soitec
Low-mass X-ray binary
the disk is 10% of its radial extent, making it a geometrically-thin disk. The disk is believed to be moderately ionized. Cygnus X-2 is a Z source, with
Cygnus_X-2
Star in the constellation Pisces
2027 over Newfoundland and the Atlantic Ocean. It is a member of the thin disk population of the Milky Way. The two components are designated Omicron
Omicron_Piscium
Star in the constellation Eridanus
up to 10.1 billion years, depending on the study. It is considered a thin disk star, which should theoretically limit the age to no more than 8 billion
HD_19467
Theory developed for Talbot cavities facilitated the development of thin disk diode-pumped solid-state laser arrays. Okulov, A Yu (1990). "Two-dimensional
Talbot_cavity
Hierarchical triple star system in the constellation Pisces
system are U = −28.7, V = −15 and W = 0.2. Gliese 900 is part of the thin disk population of the Milky Way. It was once classified as part of the IC
Gliese_900
317.5 megabytes, eight 14-inch disks, re-introduction of disk drive with fixed disk media 1979 – IBM 3370 introduced thin-film heads, 571 MB, non-removable
History_of_hard_disk_drives
Mathematical model in fluid dynamics
dynamics, momentum theory or disk actuator theory is a theory describing a mathematical model of an ideal actuator disk, such as a propeller or helicopter
Momentum_theory
Star in the constellation Aquila
orange-hued glow of a K-type star. This star is most likely a member of the thin disk population of the Milky Way. It is orbiting through the galaxy with an
15_Aquilae
Fried fishcake originating from Kagoshima, Japan
"Chikiagi". Hiraten (ひら天): flat satsuma age Maruten (丸天): Satsuma-age like a thin disk. People in Kyushu, mainly Fukuoka, eat them with udon. Gobouten (ごぼう天
Satsuma-age
Class of galaxy that has spiral structures extending from their cores
stars in spirals are distributed in thin disks radial with intensity profiles such that I(R)=I0e−R/h with h being the disk scale-length; I0 is the central
Spiral_galaxy
Open cluster in the constellation Cassiopeia
It enters the solar circle at parts of its orbit, and is part of the thin disk of the Milky Way. Kharchenko, N. V.; et al. (2013). "Global survey of
NGC_189
Star in the constellation Draco
the presence of a circumstellar disk of dust, but none has been found (as of 2012). This is member of the thin disk population of stars that lie near
HD_193664
Optica prize for quantum electronics
solid-state lasers by the invention of and fundamental contributions to thin disk lasers." 2016 Robert W. Boyd "For fundamental contributions to the field
Charles_Hard_Townes_Award
Star in the constellation Cygnus
the Sun with a radial velocity of +6.88. The star is a member of the thin disk population of the Milky Way galaxy. This is an evolved giant star of type
Rho_Cygni
Read-write head of a hard disk making contact with the platter
most accidental touches of the read-write head. The disk read-and-write head is made using thin film techniques that include materials hard enough to
Head_crash
Computer storage device with no moving parts
or solid-state disk. Etymologically, "solid-state drive" partly refers to existing data storage devices like tape drives and hard disk drives, which all
Solid-state_drive
Galaxy filament
ASTRONOMICAL JOURNAL, 115:1745-1777, 1998 May; THE STAR FORMATION PROPERTIES OF DISK GALAXIES: Hα IMAGING OF GALAXIES IN THE COMA SUPERCLUSTER Fuller, C.; Davies
Coma_Filament
Star in constellation Canes Venatici
Ratcliffe, B.; et al. (2024). "The chemical evolution of the Milky Way thin disk using solar twins". Astronomy & Astrophysics. 691: A298. arXiv:2411.03067
Beta_Canum_Venaticorum
Star in the constellation Pegasus
excess that suggests there is a circumstellar disk of debris in orbit. HN Pegasi is most likely a thin disk population star. It is a member of the nearby
HN_Pegasi
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