July 23, 2010

Comparison of the sizes of stars of different types - red dwarf, solar-type star, blue dwarf and the recently discovered star Comparison of the sizes of different types of stars - red dwarf, solar-type star, blue dwarf and the recently discovered star R136a1. Figure: European Southern Observatory ESO

The heaviest star has been discovered - 300 times that of the Sun

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Analysis of the movement of nanoscale objects in a viscous fluid. Photo: Polish Academy of Sciences

Understanding viscosity at the nanometer level

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From the right: Yoel Rakah, Gideon Yekothiali, Yigal Ptolemy and Amos de Shalit, after a scientific conference in Basel, September 1949

nuclear shell path (of the atom)

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