The United States bought Alaska from which country?
Russia
Who was president during the Cuban Missile Crisis?
John F. Kennedy
When was the Declaration of Independence signed?
Aug. 2, 1776
What is a light-year measure?
Distance, not time
A light-year is a unit of distance — equal to how far light travels in a year. Some stars you recognize in familiar constellations might not even exist anymore.
Where is Buenos Aires located?
Argentina
Where was Martin Luther King Jr. born?
Atlanta
Who was the first Black Supreme Court justice in the United States?
Thurgood Marshall
In what year did Augustus take power of the Roman Empire as the first emperor?
Answer: Augustus, who took power in 27 BCE
How long does it take to travel from Earth to Mars?
Roughly 7 months with the contemporary spacecraft
At their closest, they're about 34 million miles apart; at their farthest, nearly 250 million miles.
Where is Lagos located?
Nigeria
What was the name of the Ukrainian nuclear power plant that was the site of a nuclear disaster in April 1986?
Chernobyl
Who was the first American to win a Nobel Peace Prize?
Theodore Roosevelt
Which era marked a switch from agricultural practices to industrial practices?
The Industrial Revolution
What is the difference between a meteor, meteoroid, and meteorite?
It's all about location
A meteoroid is a small rocky object in space. When it enters Earth's atmosphere and burns up, making a streak of light, it's called a meteor or shooting star. If it survives and lands on Earth, it's a meteorite.
Where is Reykjavik located?
Iceland
What was the capital city of the Inca Empire?
Cusco
Who was the first person in the world to land on the moon, and which country were they from?
Neil Armstrong from the United States
What year did the French Revolution start?
1789
dark matter makes up about 27% of the universe.
Where is Belém located?
Brazil
Who fought in the Hundred Years’ War?
Britain and France
Who was the fourth president of the United States?
James Madison
When did the Mexican Revolution start?
Nov. 20, 1910
How big is the observable universe?
Answer: About 93 billion light-years in diameter
Beyond that, light from those areas hasn't reached us yet, so what's out there is still unknown.
Where is Mumbai located?
India