NASA Confirms There Are Now Over 5,000 Known Exoplanets
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However, these percentages don't necessarily represent how common each type of planet is in the galaxy.
However, these percentages don't necessarily represent how common each type of planet is in the galaxy.
In the coming decades, exoplanet exploration is likely to become a key goal for next-generation telescopes.
(Bloomberg Opinion) -- If humanity ever receives authentic signals from an alien civilization, should it respond? The question…