Smithsonian Magazine

Could Pluto Once Again Be Considered a Planet? New Remarks From NASA’s Administrator Highlight an Enduring Debate Among Scientists

Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for being a planet, putting Pluto into the new category of dwarf planet ...

‘Make Pluto A Planet Again,’ Says NASA Chief. Is He Right?

Is Pluto a planet? NASA Administrator Jared Isaacman told Congress on Tuesday, April 28, that Pluto should be recognized as a planet, 20 years after its status changed.
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NASA chief wants to give Pluto back its planet status

Twenty years ago, Pluto lost its planet status, a decision that still sparks debate. Today, NASA's new chief, Jared Isaacman, ...

Could Pluto become a planet again?

Nasa boss Jared Isaacman recently suggested that the US space agency might look again at whether Pluto should be given its planet status back. So what made Pluto a planet once and what is it now? Find ...
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NASA chief Jared Isaacman says he's fighting for Pluto's planethood

Should Pluto be a bona fide planet again? NASA is working to "revisit the discussion" on Pluto's planethood status, according to agency chief Jared Isaacman.

NASA is preparing new research that could finally settle the debate over whether Pluto is a planet

NASA Administrator Jared Isaacman, the billionaire entrepreneur and former astronaut, is once again pushing for a planetary promotion. Isaacman’s focus revolves around the far-off icy world of Pluto, ...