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ARC-Challenge / Mercury_7159023 / Pluto was discovered in 1930 and was named the ninth planet. In 2003, an object…

Problem

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question

Pluto was discovered in 1930 and was named the ninth planet. In 2003, an object larger than Pluto was discovered by astronomer Michael Brown. Pluto has been reclassified as a "dwarf" planet. What does this most likely suggest about scientific investigations?

choices

  • Earlier scientists did not use appropriate tools.
  • Pluto should not have been classified as a planet.
  • Classifications change as new evidence is gathered.
  • Review of planetary characteristics should occur every year.

Discussion

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Source and history

upstream_id / Original problem ID
Mercury_7159023
task_id
b975b9c0-0e58-598c-9569-de8f745ea50f
task_key
ARC~2dChallenge--test--Mercury~5f7159023
task_revision_id
1
config / split
ARC-Challenge / test

Official source

initial import