How many planets are there? How astronomers in Prague “throttled” Pluto

9. 11. 2021, 10:00-10:35

At the 2006 meeting of the International Astronomical Union (IAU) in Prague, a clear definition of the planets was voted on. Since most of us have been taught about the 9 planets in the past, the new reorganization of the planets without Pluto in the solar system is surprising. In fact, for many years the controversy over whether Pluto is a real planet or just an icy remnant from the planet-forming era orbiting in the distant outer space of the Solar System has been on the agenda. So what about the actual number of planets?

You can watch the lecture at the following link: How many planets are there? LIVE.

A recording will be available for viewing after the lecture here.

Presented by Jan Veselý from Planetum Praha

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