Oumuamua was the first known interstellar object, and its speed and trajectory indicated it came from a galaxy other than our own.
Interstellar object “Oumuamua”, which passed through our solar system five years ago, has long been a mystery and a source of intrigue for astronomers and scientists.
The mysterious object made headlines and was the subject of many ideas and assumptions, including that it was an alien probe, an artifact from another galaxy, or simply a rock. The exciting object is back in the spotlight as recent research claims it is currently leaving the outer reaches of our solar system.
According to a report by space explored, the object passes Pluto and travels more than 2,832,000 miles (4,557,662 km) daily. It will be another two years before he is fully in interstellar space.
NEWS 🚨: Unidentified interstellar Oumuamua object just now leaving the solar system pic.twitter.com/sT4aE0vRsl
— Last in space (@lastinspace) December 6, 2022
On October 19, 2017, Robert Werick, an astronomer at the University of Hawaii at Manoa, used the Panoramic Survey Telescope and Rapid Response System (Pan-STARRS1) in Hawaii to discover an exciting new object. It was given the Hawaiian name ‘Oumuamua, which translates to ‘scout’.
The speed and trajectory of ‘Oumuamua showed that it was the first interstellar object and that it originated outside the solar system. Investigators examined the photos and found that ‘Oumuamua’ had a strange, cigar-like shape despite being only about 40 meters thick and about 230 meters long.
Many scientists, most notably Avi Loeb of Harvard University, claimed the item was an alien starship when it was first discovered. Some people assumed it was a comet or an asteroid.
According to an CNN March 2021 article, studies showed it might be a piece of a planet like Pluto from another solar system. These discoveries could help scientists understand the materials that make up a new class of the world called an exo-Pluto.
Some scientists thought that Oumuamua’s parent planet was hit by an object about 500 million years agocausing it to hurtle toward our solar system.
They stated that 1995 must have been the year when the fragment of this planet entered our solar system, which we most likely missed. It gradually shrank to its current size after losing 95% of its original size.
With little information to work with, the mystery is still unsolved at this point, making it impossible to determine the origin of the visitor. An interstellar comet called 2I/Borisov seen in 2019 was the second interstellar object found in our solar system.
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