`dark-matter` Related Article Results

Andromeda Galaxy

Andromeda Galaxy

(625 words)
July 9, 2025

Andromeda Galaxy (M31) is the closest spiral galaxy to the Milky Way and is located approximately 2.5 million light-years away. As the farthest celestial object visible to the naked eye, Andromeda holds great importance for astronomers. Providing critical information about galaxy formation and evolution in the universe, Andromeda is at the center of many scientific studies.Discovery and HistoryObservations of the Andromeda Galaxy date back to ancient times. In 964, the Persian astronomer Abd al-

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Triangulum Galaxy

Triangulum Galaxy

(498 words)
July 9, 2025

editTriangulum Galaxy (Messier 33 or NGC 598) is the third-largest galaxy in the Local Group after the Milky Way and Andromeda. It is generally accepted that the galaxy was first discovered in 1654 by Giovanni Battista Hodierna and was later cataloged by Charles Messier in the 18th century as M33. M33 is relatively easy to observe, making it a significant research target for both amateur and professional astronomers.General FeaturesLocation: Located in the Triangulum constellationDistance: Appro

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NGC 2976 Galaxy

NGC 2976 Galaxy

(445 words)
July 2, 2025

NGC 2976 Galaxy is a dwarf spiral galaxy located in the constellation Ursa Major and is approximately 11.6 million light-years away from Earth. Discovered by William Herschel in 1788, this celestial object is classified as a member of the Messier 81 (M81) Group. Observations reveal that NGC 2976 has exhibited structural and dynamical changes as a result of past interactions with larger galaxies within the M81 Group.Technical SpecificationsNGC 2976 is classified as a SA(s)cd type galaxy; this cla

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NGC 3370 Galaxy

NGC 3370 Galaxy

(436 words)
July 2, 2025

NGC 3370 Galaxy is an unbarred spiral galaxy located in the constellation Leo, notable for its spiral structure. It holds particular importance in astronomical research, especially regarding Type Ia supernova observations and cosmological distance measurements. It was discovered by William Herschel on March 18, 1784.Location and General CharacteristicsNGC 3370 is located approximately 30 megaparsecs (about 98 million light-years) from Earth. Its observed apparent magnitude is approximately 12.3,

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NGC 3628 Galaxy

NGC 3628 Galaxy

(604 words)
July 2, 2025

NGC 3628 Galaxy is an unbarred spiral galaxy located in the constellation Leo, observed edge-on from Earth. Although this galaxy is often referred to in astronomical sources as the "Hamburger Galaxy," such nicknames are not used in academic contexts. NGC 3628 is a member of the galaxy group known as the "Leo Triplet", along with Messier 65 (M65) and Messier 66 (M66). This structure provides an important area of study, particularly for observing interactive galaxy dynamics and external gravitatio

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NGC 4565 Galaxy

NGC 4565 Galaxy

(636 words)
December 4, 2025

NGC 4565 Galaxy is a spiral galaxy located in the direction of the Coma Berenices constellation and viewed nearly edge-on from Earth. It was discovered by William Herschel on 6 April 1785. Due to its thin appearance when seen edge-on, the galaxy is popularly known as the "Needle Galaxy," a nickname that, while not official, is widely used.NGC 4565 is listed in the New General Catalogue (NGC) under number 4565. It is frequently referenced in observational astrophysical studies due to its visual c

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Bilge Demirköz

Bilge Demirköz

(508 words)
December 2, 2025

Bilge Demirköz is a Turkish physicist renowned for her pioneering research in cosmic rays, space radiation, and astroparticle physics. A faculty member in the Department of Physics at Middle East Technical University (METU), Demirköz has made significant scientific contributions at both national and international levels. She is particularly recognized for her work on high-energy space particles, dark matter research, and space technologies.Life and EducationBilge Demirköz’s interest in science i

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Seviye Nur Gönülölmez

Seviye Nur Gönülölmez

Messier 87 (M87)

Messier 87 (M87)

(589 words)
July 9, 2025

Messier 87 (M87) is a massive elliptical galaxy located in the Virgo constellation. It was discovered in 1781 by French astronomer Charles Messier and is listed as the 87th object in the Messier catalog. Located approximately 53.5 million light-years from Earth, this galaxy is one of the largest and brightest members of the Virgo Cluster. It is particularly significant in astrophysical research due to the supermassive black hole at its center and the relativistic jet emitted from it.Physical Cha

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ESO 325-G004 Galaxy

ESO 325-G004 Galaxy

(622 words)
July 3, 2025

ESO 325-G004 Galaxy is a massive elliptical galaxy located approximately 450 million light-years from Earth in the constellation Centaurus. It was first classified during observations conducted by the European Southern Observatory (ESO). The galaxy is particularly notable for serving as an example of gravitational lensing phenomena. This feature has led to its use as a model system in various studies aimed at understanding the distribution of dark matter and the matter density in the universe.Ph

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Messier 94 Galaxy

Messier 94 Galaxy

(484 words)
July 2, 2025

Messier 94 Galaxy, located in the direction of the Canes Venatici constellation, is an intermediate spiral galaxy approximately 16 million light-years away. It was discovered by French astronomer Pierre Méchain in 1781 and shortly thereafter cataloged by Charles Messier as number 94 in the Messier Catalogue. In the New General Catalogue (NGC) system, it is designated as NGC 4736.Morphological ClassificationAccording to the De Vaucouleurs classification system, M94 is categorized as (R)SA(r)ab, m

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