The solar system may hold a hidden surprise. Astronomers are investigating the possibility of a mysterious ninth planet, often referred to as Planet Nine. If found, this discovery could change the understanding of planetary systems.
The search for Planet Nine began in 2014. Astronomers Scott Sheppard and Chadwick Trujillo observed unusual orbital patterns. These patterns were noticed in icy Kuiper Belt objects beyond Neptune. Scientists suggest these movements could indicate an unseen massive planet.
The Kuiper Belt is a distant region of icy bodies. It extends beyond Neptune and includes Pluto and dwarf planets. Astronomers believe Planet Nine might be 5-7 times Earth’s size. It could orbit the sun 200 times farther than Earth. A single orbit might take 10,000 to 20,000 years.
Professors Konstantin Batygin and Mike Brown lead the search. Based at the California Institute of Technology, their work builds on Sheppard and Trujillo’s findings. Brown, known for his role in Pluto’s reclassification, described Planet Nine as a potential breakthrough. “Evidence for a trans-Neptunian planet feels stronger this time,” Brown said.
Scepticism Among Scientists
Despite progress, the search has faced scepticism from some scientists. Malena Rice, an astronomy professor at Yale University, highlighted these doubts. Past predictions of distant planets have often failed to materialise.
“There are competing theories to explain the data,” Rice noted. She emphasised prioritising simpler explanations when exploring such possibilities.
While debates continue, astronomers remain committed to the search. The mystery of Planet Nine fuels discussions about the solar system’s complexity.
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