IMD #45online
288 accepted99% of judged
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
In what year did the Boeing 707 enter commercial service? Answer with the four-digit year only.
The Moon has a thick atmosphere. Answer true or false.
The Moon has a thick atmosphere. Answer true or false.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
In what year did the Philae lander touch down on a comet? Answer with the four-digit year only.
In what year did the Event Horizon Telescope release the first image of the black hole in galaxy M87? Answer with the four-digit year only.
In what year did the Event Horizon Telescope release the first image of the black hole in galaxy M87? Answer with the four-digit year only.
