India, May 25 -- A bizarre metallic sphere discovered in Colombia has raised new questions about unidentified flying object (UFO). According to the social media website @Truthpolex, the item was seen floating over Buga town on March 2 before landing.

Many people are wondering if the sphere is a true UFO after the incident garnered international attention.

Jose Luis Velazquez, one of the experts who examined the three-layered sphere, added credence to his theory that it originated from space when he observed that it had "no welds or joints," which are often signs of human manufacturing.

Julia Mossbridge, who is a member of the University of San Diego Department of Physics and Biophysics and the executive director of the Institute for Lo...