Time Travel
The Round Earth
Shark Attacks
Area 51
Aliens
100

In theory, traveling forward in time only requires a device which can do this

What is traveling at/near the speed of light?

100

Because the Earth is round, only this part of a boat can be seen when it is near the horizon

What is the top?

100

In an average year, there are approximately this many shark attacks on humans

What is 100?

100

This is the official name of the site often called "Area 51"

What is Groom Lake?
100

This equation, named after its creator, attempts to estimate the number of advanced civilizations found in the Milky Way galaxy

What is the Drake equation?

200

This warps spacetime, changing the flow of time near massive objects like black holes

What is gravity?

200

Because the Earth is round, the star Polaris can only be seen from here

What is the northern hemisphere?

200

On average, around this percentage of shark attacks are fatal

What is 10%?

200

Area 51 was established by the CIA to develop and test this secret spyplane

What is the U-2?

200

This is the name given to contradiction between the high probability of alien life existing, and humans having yet to discover it?

What is the Fermi Paradox?

300

This is a hypothetical object which could connect two distant points in space

What is a wormhole?

300

Because the Earth is round, its shadow (seen during a lunar eclipse) is always this

What is round or circular?

300

When a shark does attack a human, even fatally, it very rarely does this

What is eat them?

300

This is the amount of credible scientific evidence evidence ever produced that aliens can be found at Area 51

What is none/zero?

300
This is the name given to the lack of any signals observed for an alien civilization

What is the "Great Silence"?

400

This is the name given to the apparent impossibility of going back in time to kill your own grandparent

What is the Grandfather Paradox?

400

Because the earth is round, humans created these to adjust for the Sun being in different places at different times

What are time zones?

400

This type of shark is responsible for around 35% of attacks and 40% of fatalities 

What is the (Great) White shark?

400

This is the number people confirmed to have been killed when trying to enter Area 51

What is zero?

400

This is the name given to the idea that a specific step in the progress of a civilization might be very difficult to pass

What is a "Great Filter"?

500

In order to travel backwards in time, one would have to do this

What is travel faster than the speed of light?

500

Because the Earth is round, airplanes follow these paths which look like curves when drawn on a flat map

What are Great Circles?

500

Shark attacks are most common in this type of location

What is near the coast?

500

This is the most believable and evidence-based explanation for unidentified aerial phenomena (UAPs) at Area 51 

What is it is a top secret military airbase?

500

True or false: most scientists believe intelligent alien life exists outside of the Earth 

True

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