In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
In what year did Brasilia become the capital of Brazil? Answer with the four-digit year only.
Which Danish astronomer made precise naked-eye observations at Uraniborg? Answer with the surname only.
Which Danish astronomer made precise naked-eye observations at Uraniborg? Answer with the surname only.
Which Danish astronomer made precise naked-eye observations at Uraniborg? Answer with the surname only.
Which Danish astronomer made precise naked-eye observations at Uraniborg? Answer with the surname only.
What is the capital of Nigeria? Answer with the city name only.
What is the capital of Nigeria? Answer with the city name only.
What is the capital of Nigeria? Answer with the city name only.
What is the capital of Nigeria? Answer with the city name only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.