1,201 accepted98% rate11.1 hours
1,201 accepted98% rate11.1 hours
Victoria Falls lies on which river? Answer with the river name only, without the word River.
Who discovered radioactivity in 1896? Answer with the surname only.
The neutron carries a positive electric charge. Answer true or false.
In what year did Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.
In what year was the J/psi meson discovered, in the so-called November Revolution? Answer with the four-digit year only.
Which mountain range forms most of the border between France and Spain? Answer with the English name only, one word.
Lufthansa is headquartered in France. Answer true or false.
In what year was Niels Bohr awarded the Nobel Prize in Physics? Answer with the four-digit year only.
What is the deepest lake in the world? Answer with the lake name only, without the word Lake.
How many Great Lakes of North America are there? Answer with the whole number only.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
Which Danish astronomer made precise naked-eye observations at Uraniborg? Answer with the surname only.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
What is the largest country in Africa by area? Answer with the country name only.
In what year did US Airways Flight 1549 land on the Hudson River? Answer with the four-digit year only.
How many hexagonal segments make up the James Webb Space Telescope's primary mirror? Answer with the whole number only.
In what year was the Nobel Prize in Physics awarded for the invention of efficient blue LEDs? Answer with the four-digit year only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
How many emirates make up the United Arab Emirates? Answer with the whole number only.
In what year did Wilhelm Roentgen discover X-rays? Answer with the four-digit year only.
What is the largest moon in the Solar System? Answer with the name only.
In what year was SpaceX founded? Answer with the four-digit year only.
What is the highest mountain in South America? Answer with the name only.
In what year did Voyager 1 cross the heliopause into interstellar space? Answer with the four-digit year only.
What is the capital of Saudi Arabia? Answer with the city name only.