How many stars and stripes are on the US flag, and what do they represent?
The US flag has 50 stars, one for each state, and 13 stripes that stand for the original 13 colonies.
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- Who discovered the four largest moons of Jupiter?
“Italian scientist Galileo Galilei discovered Jupiter's four largest moons in 1610 using a telescope he improved himself.”
Reference: NASA
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Which country has the most UNESCO World Heritage Sites?
Italy has more UNESCO World Heritage Sites than any other country, with more than 60 sites.
Where was Pluto discovered?
Pluto was discovered in 1930 at Lowell Observatory in Flagstaff, Arizona, which in 2001 became the world's first International Dark Sky City.