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Could Pluto Become a Planet Once Again?
Isaacman said Pluto meets planet criteria and backed a possible executive action to restore its status, despite the International Astronomical Union's 2006 ruling.
- On Tuesday, NASA Administrator Jared Isaacman reiterated his support to "make Pluto a planet again" during testimony before the Senate Committee on Appropriations, telling Sen. Jerry Moran he plans to escalate research to revisit the classification.
- The International Astronomical Union controversially downgraded Pluto in 2006, citing its inability to "clear its orbit of debris" among icy bodies in the Kuiper Belt beyond Neptune's orbit.
- Data from the New Horizons mission revealed Pluto is geologically active, featuring a complex atmosphere and nitrogen ice plain Sputnik Planitia; principal investigator Alan Stern advocates for planethood based on geology rather than orbital clearance.
- Supporters including actor William Shatner and SpaceX CEO Elon Musk have campaigned for restoration, yet experts note that even if President Donald Trump issued an executive order, it would not bind the IAU's authority.
- While NASA administrators advocate for restoration, IAU coordinator Ramasamy Venugopal maintains that scientific classifications require international consensus, and astronomer Mike Brown argues scientists must continue classifying objects to reflect actual solar system understanding.
18 Articles
18 Articles
Will Demoted Pluto Be Reinstated After 20 Years? NASA Rekindles Planet Debate. NASA Head Says Pluto Should Be Reclassified as a Planet; Symbolism as the Only Planet Discovered by Americans Also Plays a Role. Experts Say Reinstatement Will Not Be Easy Due to Many Similar Outer Planets. Pluto, which stepped down as the ninth planet of the solar system in 2006...
Let Pluto Rest In Dwarf Planet Peace
Donald Trump has a hang-up about Pluto. As far back as 2019, his appointed NASA administrator was making noise about reclassifying it as a planet, a status it lost when in 2006 the International Astronomical Union created a new system of nomenclature for all those weird and wacky bodies hurtling around the sun. Pluto, long a staple of the Big Nine and a famous childhood acrostic, was now a "mere" dwarf planet. Trump's back on his weird horse aga…
The debate over Pluto's planetary status has resurfaced, with the head of NASA calling for its reclassification. This article explores the details of this scientific controversy. NASA Administrator Jared Isaacman's call to reclassify Pluto as a planet has reignited the long-standing debate over its planetary status. During a Senate hearing, Isaacman expressed his support for the idea of "re-classifying Pluto as a planet." "I am on the side of th…
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