In 1776, the solar system only had 6 planets. Now, it has 8. Does it end there?

In 1776, the solar system only had 6 planets. Now, it has 8. Does it end there?
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Why This Matters

Stories like this show real progress in protecting our planet and fighting climate change, giving us hope for a sustainable future.
As the United States prepares to celebrate its 250th anniversary, the history of the solar system tells its own story of exploration.
Read Full Article at www.space.com

Original story published by www.space.com. Peanutlife curates and shares uplifting news to brighten your day.