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Could our solar system have 9 planets after all?

For decades, our solar system was thought to have nine planets, with Pluto considered the smallest and farthest. But in 2006, Pluto was officially reclassified as a dwarf planet by the International ...
The New York Times

Scientists Say They’ve Found a Dwarf Planet Very Far From the Sun

The small world was found during a search for the hypothetical Planet Nine, and astronomers say the next time it will reach its closest point to the sun is in the year 26186. By Kenneth Chang Kenneth ...
Forbes

There’s Suddenly A 40% Chance ‘Planet Nine’ Exists — What To Know

After studying thousands of computer simulations of the solar system, researchers at Rice University and the Planetary Science Institute think there’s a 40% chance an elusive “Planet Nine” or “Planet ...
Forbes

Astronomers Close In On ‘Planet Nine’ As Hints Found

An artist's illustration of a possible ninth planet in our solar system, hovering at the edge of our solar system. Neptune's orbit is shown as a bright ring around the Sun. Scientists in Taiwan ...