DWQA Questions › Tag: visible wavelengthsFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesSome researchers believe that ‘Planet 9’ exists because of the way certain space phenomena, known as Trans-Neptunian Objects (TNOs), behave. Is there a real Planet 9, and if so, what is its origin and significance?ClosedNicola asked 5 years ago • Physical Universe509 views0 answers0 votes
Nicola