Friday, February 24, 2017

Seven Earth-Sized Planets Orbit Dim Star

Astronomers have found seven Earth-sized planets around a cool red dwarf, all of which have the potential for liquid surface water.



Article by Camille M. Carlisle | February 22, 2017 (Sky and Telescope) details the top news of the week.

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Stretching and HDR Processing

Although my previous post using M42, the Orion Nebula, was to demonstrate image stacking in astrophotography, the image based on the 80x8sec...