Top 5 Nearest and Habitable Exoplanets

Back in 1995, astronomers had detected a planet orbiting around a Sun-like star.  This was a huge deal.  And today, we have discovered more than 4000 extrasolar planets.  They come in a wide variety of sizes and characteristics.  By the most optimistic projections, only about 50 are habitable, and only 20 have Earth-like temperatures.  So, if we were to send off a probe to explore some of these worlds, what would be the top 5 nearest choices to visit?

5) Gleise 832c

4) Wolf 1061c

3) Tau Ceti e

2) Barnard’s Star b

1) Proxima Centauri b

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