It has recently come to light that a fireball meteor that blazed over the skies of Brazil, last month on May 30 may have interstellar origins. This fireball meteor is being considered an Earthgrazer as it hit our atmosphere at a shallow angle, reports CNET.
For the uninitiated, a meteoroid is generally defined as an asteroid or comet fragment that orbits the Sun and has an approximate size between ten microns and a meter or so, as per NASA. Meteors also called shooting stars, are the visible paths of meteoroids that have entered the Earths atmosphere at high velocities. A fireball meteor is an unusually bright meteor that reaches a visual magnitude of -3 or brighter when seen at the observers zenith.
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BRAMON, the Brazilian Meteor Watch Network, analyzed the fireball meteor that was captured by two cameras in the network in Taquara, Rio Grande do Sul and Tangará, Santa Catarina. It concluded that the meteor was an earthgrazer because it hit Earth’s atmosphere at an angle of 6.1°, relative to the ground, and started to glow at an altitude of 162.7 km south of Capão Comprido, RS. Check out this video:
NASA describes Earthgrazers as meteors that skim the top of Earth’s atmosphere like a stone skipping across the surface of a pond. They appear when the radiant of a meteor shower is near the horizon, spewing meteoroids horizontally overhead.
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Moreover, BRAMON states that the earthgrazer meteor thats registered in Rio Grande do Sul, preliminary analyzes indicate that it was generated by a meteoroid coming from outside the Solar System. Once confirmed, this will be the first interstellar meteor captured by BRAMON thats extremely rare.
Image used is for representation purpose only

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