Q. Consider the following celestial bodies:

1. Ceres
2. Makemake
3. Eris
4. Pluto

Which of the above have been recognized as dwarf planets by the International Astronomical Union (IAU)?
Answer: 1, 2, 3 & 4
Notes: The International Astronomical Union (IAU) currently recognizes five dwarf planets: Ceres, Pluto, Haumea, Makemake, and Eris. A dwarf planet is a planetary-mass object that is neither a planet nor a natural satellite. It is in direct orbit of the Sun, and is massive enough for its gravity to crush it.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.