[ad_1] In recent decades, thousands of extra-solar planets have been discovered in our galaxy. As of July 28, 2018, a total of 3,374 extra-solar planets have been confirmed in 2,814 planetary systems. …
Read More »[ad_1] In recent decades, thousands of extra-solar planets have been discovered in our galaxy. As of July 28, 2018, a total of 3,374 extra-solar planets have been confirmed in 2,814 planetary systems. …
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