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New Horizons Salutes Voyager

Curated by ACT

This regularly updated site chronicles research, key facts, and the reasons for downgrading Pluto from a planet to dwarf planet. Recent discoveries from the New Horizon spacecraft and months of archived articles are kept here as well.

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Classroom Considerations
  • This resource is only available on an unencrypted HTTP website.It should be fine for general use, but don’t use it to share any personally identifiable information