Zooming into R136a1, the heaviest star in the known universe, with 265 times the Sun's mass.

R136a1 (short for RMC 136a1) is one of the most massive and luminous stars known, at 222 M☉ and over 7.2 million L☉, and is also one of the hottest, at around 46,000 K. It is a Wolf–Rayet star at the center of R136, the central concentration of stars of the large NGC 2070 open cluster in the Tarantula Nebula (30 Doradus) in the Large Magellanic Cloud. The cluster can be seen in the far southern celestial hemisphere with binoculars or a small telescope, at magnitude 7.25. R136a1 itself is 10,000 times fainter and can only be resolved using speckle interferometry.

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