A newly discovered celestial object, dubbed a ‘quasi-moon’, has been detected in close proximity to Earth. The asteroid, identified as 2025 PN7, has been observed orbiting Earth and is projected to remain in this position for approximately 60 years.
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The existence of this quasi-moon was confirmed by scientists at the Pan-STARRs observatory in Hawaii on August 29. This asteroid, which has been designated as a quasi-moon for the past 60 years, is expected to maintain its presence in Earth’s orbit until 2083, as detailed in a recent publication by IOP Science.
Carlos de la Fuentes, an astronomer from the Complutense University of Madrid and co-author of the study, highlighted that the origins of this quasi-moon remain ambiguous, with no definitive explanations available at present. It is a fascinating discovery that adds to our understanding of celestial bodies in our solar system.
Quasi-moons like 2025 PN7 are not true moons but rather temporary asteroids that enter Earth’s proximity for a limited period before departing. Currently, there are six other known quasi-satellites in the vicinity of Earth, with PN7 being the seventh addition to this group. The size of this quasi-moon is likened to that of a small office building, making it significantly massive in comparison.
Despite the appearance of orbiting Earth from a particular vantage point, quasi-moons do not have a substantial impact on our planet. Their presence is difficult to discern without sophisticated telescopic equipment, and they are too small to influence phenomena like tides, as explained by observational cosmologist Jacqueline McCleary from Northeastern University.
Astrophysicist Jonathan Blazek further elucidated that over time, the orbits of these quasi-moons will shift, resulting in their eventual departure from Earth’s orbit. While they may not possess the gravitational pull of a true moon, their existence contributes to the intricate dynamics of celestial bodies within our solar system.
The discovery of 2025 PN7 serves as a testament to the ongoing exploration and study of the cosmos. As scientists continue to unravel the mysteries of space, each new finding, such as this quasi-moon, adds to the wealth of knowledge regarding the vast expanse beyond our planet.