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1. APOD: 2008 October 26 - Massive Stars in Open Cluster Pismis 24
... 2008 October 26 . Massive Stars in Open Cluster Pismis 24 . Credit: NASA , ESA and J. M. ApellАniz ( IAA , Spain) . Explanation: How massive can a normal star be? Estimates made from distance, brightness and standard solar models had given one star in the open cluster Pismis 24 over 200 times the mass of our Sun, making it a record holder. ... Component stars would still remain near 100 solar masses, making them among the more massive stars currently on record. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap081026.html -- 6.1 Кб -- 28.02.2014
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2. XWare > APOD
... A very young star cluster has been discovered in a neighboring galaxy. ... Antares . ... Antares is a huge star. In a class called red supergiant, Antares is about 700 times the diameter of our own Sun, 15 times more massive, and 10,000 times brighter. Antares is the brightest star in the constellation of Scorpius and one of the brighter stars in all the night sky. ... Dark Craters on Ganymede . ... Nearby Spiral M33 . ... M33 is a prominent nearby spiral galaxy. ...
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Ссылки http://www.astronet.ru/db/xware/apod.html?page=603&d=2015-01 -- 15.0 Кб -- 13.04.2016
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3. http://www.stsci.edu/institute/itsd/information/streaming/archive/HubbleFellowsSymposium2008/RachelMandelbaum031108Hi_supporting/RachelMandelbaum031108.pdf
... The basics · · · · Source galaxy at Observed image at Instead of I(), we see I'[()] We care about the Jacobian: = convergence; = shear Definitions = projected surface ... (axisymmetric) Definitions = projected surface density contrast (axisymmetric) = shear (comoving) Sloan Digital Sky Survey ( SDSS ) Imaging, spectroscopy over ~ 1/4 of the sky Imaging in 5 passbands (ugriz) (from http://www. sdss .org/) Our approach: Reglens Lenses: SDSS spectroscopic sample (~4x105 ...
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Ссылки http://www.stsci.edu/institute/itsd/information/streaming/archive/HubbleFellowsSymposium2008/RachelMandelbaum031108Hi_supporting/RachelMandelbaum031108.pdf -- 1949.4 Кб -- 12.03.2008
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4. Dark matter scaffolding of universe detected for the first time | Astronomy.com
... Tonight's Sky . ... Astronomy for Kids . ... Dave's Universe . ... Dark matter scaffo