Knowra R136 R136 R136 is a dense, young star cluster at the center of the Tarantula Nebula in the Large Magellanic Cloud. It contains some of the most massive stars known.
Tarantula Nebula : A vast star-forming region in the Large Magellanic Cloud, also known as 30 Doradus. R136 lies near its center, embedded in the nebula’s active star-forming environment.
R136a1 : A very massive, luminous star in R136, classified as a Wolf–Rayet star. It is the cluster’s best-known massive member and a key target for estimating stellar upper limits.
Nicolas-Louis de Lacaille : An eighteenth-century French astronomer who cataloged southern-sky objects, including the Tarantula Nebula. His nebula cataloging established an early record of the region that contains R136.
Eddington luminosity : The maximum luminosity at which outward radiation pressure balances inward gravity in a spherical object. Comparing R136’s brightest stars with this limit helps constrain their masses and structure.
NGC 3603 : A massive young star cluster embedded in a nebula in the Milky Way. It offers a nearby-galaxy comparison for R136’s dense core and population of massive stars.
Large Magellanic Cloud : A dwarf satellite galaxy of the Milky Way, visible from the Southern Hemisphere. R136 belongs to this nearby galaxy, where its stars can be studied in detail.
Stellar wind : A continuous outflow of charged particles from a star’s atmosphere. Powerful winds from R136’s massive stars remove mass and shape the surrounding nebula.
Hubble Space Telescope : A space-based observatory launched in 1990 that observes ultraviolet, visible, and near-infrared light. Hubble’s sharp images helped resolve crowded central stars and identify individual massive members.
Stellar feedback : The effects of energy and matter returned by stars to their surrounding gas and dust. R136’s winds and radiation alter the nebula and influence later star formation.
Arches Cluster : A dense, young star cluster near the center of the Milky Way. Its extreme density contrasts with R136’s location in a star-forming region of the Large Magellanic Cloud.
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