Contact: Elizabeth Zubritsky
NASA/Goddard Space Flight Center
Caption: Although most of the planets outside of our solar system (called "exoplanets") are too distant to be seen, astronomers have developed indirect methods to determine their size, mass, and even their atmospheric makeup -- taking us one step closer to finding a world like our own. High Resolution, downloadable and various formats found here: http://svs.gsfc.nasa.gov//vis/a010000/a011400/a011428/.
Credit: NASA SVS
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