Under the ‘has cleared its orbital neighborhood’ and ‘fuses hydrogen into helium’ definitions, thanks to human activities Earth technically no longer qualifies as a planet but DOES count as a star.
Under the ‘has cleared its orbital neighborhood’ and ‘fuses hydrogen into helium’ definitions, thanks to human activities Earth technically no longer qualifies as a planet but DOES count as a star.
Ceres does appear to be active in some form with cryovolcanoes, based on the 2015 Dawn mission.
I think focus ought to be more on what the qualifications are for the minor label. What does it mean to be minor?