Jakarta, Beritasatu.com – The long-standing debate over Pluto’s planetary status has been reignited, fueled by comments from a prominent figure in the space exploration community. Jared Isaacman, the billionaire founder of SpaceX and current NASA Administrator, has brought renewed attention to the question of whether the distant celestial body should once again be classified as a planet. This discussion extends beyond scientific circles, tapping into a sense of nostalgia and historical connection for many.
Pluto was first discovered on February 18, 1930, by Clyde W. Tombaugh, a young astronomer working at Lowell Observatory in Flagstaff, Arizona. For decades, it was recognized as the ninth planet in our solar system.
However, the early 2000s brought new discoveries that challenged Pluto’s position. The identification of other large objects beyond Neptune prompted astronomers to question whether Pluto was unique enough to maintain its planetary designation, as reported by IFL Science.
The debate reached a turning point in 2005 with the discovery of Eris, an object slightly smaller than Pluto but with a comparable mass. This discovery prompted the International Astronomical Union (IAU) to establish a new definition of a planet in 2006. Pluto was reclassified as a “dwarf planet” since it doesn’t “clear its orbit of debris,” a key criterion for full planetary status.
Now, the possibility of restoring Pluto’s planetary status is gaining traction, with a surprising political dimension. Jared Isaacman has publicly expressed his support for the U.S. Government to intervene and “restore” Pluto’s classification. He argues that such a move would honor the contributions of Kansas – Tombaugh’s home state – and recognize the legacy of American aerospace innovation.
Isaacman is not alone in his advocacy. Figures like actor William Shatner and even some members of the U.S. Congress have voiced similar sentiments, with suggestions that the President could issue an executive order to officially reinstate Pluto as a planet. However, the authority to name celestial bodies ultimately rests with the IAU, an independent international organization.
The reclassification of Pluto isn’t the first time a celestial body’s status has been revised. Ceres, the largest object in the asteroid belt, was initially considered a planet when discovered in 1801. However, as more asteroids were identified in the same region, Ceres was demoted, and later, in 2006, was also categorized as a dwarf planet alongside Pluto.
The core scientific reason for Pluto’s reclassification lies in its gravitational influence. Unlike Earth or Jupiter, Pluto’s gravity isn’t strong enough to clear its orbital path of other objects. Its orbit also intersects with that of Neptune. What we have is the key factor that led astronomers to adopt the current definition of a planet.
Despite the ongoing debate, Pluto remains a fascinating object of study. Notably, since its discovery in 1930, Pluto has yet to complete a single orbit around the sun, a feat it is predicted to achieve on March 23, 2178. Regardless of its official classification, Pluto continues to hold a special place in the hearts of space enthusiasts. Understanding these classifications helps refine our understanding of the solar system and the universe beyond.
