Monday, October 19, 2026
Plain #2
The day’s seven targets and the closest answers in our lists, with their real values. Points are before bonuses.
Round 1 · 👥 Country population in 2023
What was the 2023 population of Canada, in millions of people, according to the World Bank?
Answer
40.0491 million people
The capital of Canada is Ottawa. The population figure refers to 2023.
World Bank · Country population in 2023 · 2023 snapshotRound 2 · 🧱 Element density
Name a chemical element closest to 16K kg/m³.
Target 16,000 kg/m³
Round 3 · 🪐 Planetary mean radius · Golden Round ×2
Name a planet or dwarf planet closest to 710 km.
Target 710 km
Round 4 · 🪐 Planetary mean radius
Using JPL’s mean radius, what is the mean diameter of Pluto, in kilometres?
Answer
2,376.6 km
A diameter is twice the radius. JPL lists Pluto's mean radius as 1188.3 km.
NASA JPL Solar System Dynamics · Planetary Physical ParametersRound 5 · 🌍 Capitals: distance from Washington, D.C.
Name a capital city closest to 4.5K km.
Target 4,500 km
Round 6 · 🧊 Element melting point
Name a chemical element closest to 530 K.
Target 530 K
Round 7 · ♨️ Element boiling point · Finale
Name a chemical element closest to 720 K.
Target 720 K