Our Solar System Might Have TWO Hidden Planets

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After Pluto's demotion to dwarf planet in 2006, our solar system went from having nine planets to eight. But about a decade later, some astronomers proposed there was another planet, larger than Earth, hiding in the Kuiper Belt. And in 2023, another team calculated there's a chance there's a gas giant orbiting the Sun in the outermost boonies of the solar system: the Oort cloud.

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Sources:
https://solarsystem.nasa.gov/solar-sy...
https://solarsystem.nasa.gov/planets/...
https://arxiv.org/pdf/2110.13117.pdf
https://cneos.jpl.nasa.gov/glossary/a...
https://solarsystem.nasa.gov/solar-sy...
https://arxiv.org/pdf/2306.11109.pdf
https://arxiv.org/abs/2303.08280
https://www.nasa.gov/feature/goddard/...

Image Sources:
https://solarsystem.nasa.gov/resource...
https://www.gettyimages.com/detail/vi...
https://commons.wikimedia.org/wiki/Fi...
https://www.gettyimages.com/detail/vi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://www.gettyimages.com/detail/ph...
https://commons.wikimedia.org/wiki/Fi...
https://exoplanets.nasa.gov/blog/1460...
https://commons.wikimedia.org/wiki/Fi...
https://www.gettyimages.com/detail/vi...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://mobile.arc.nasa.gov/public/ie...
https://solarsystem.nasa.gov/resource...
https://www.gettyimages.com/search/2/...
https://www.gettyimages.com/detail/vi...
https://www.gettyimages.com/detail/vi...
https://www.gettyimages.com/detail/vi...
https://www.gettyimages.com/detail/vi...
https://svs.gsfc.nasa.gov/13425
https://commons.wikimedia.org/wiki/Fi...
https://www.gettyimages.com/detail/ph...
https://commons.wikimedia.org/wiki/Fi...
https://commons.wikimedia.org/wiki/Fi...
https://www.gettyimages.com/detail/vi...