TRUE Limits Of Humanity – The Final Border We Will Never Cross

Important Vocabulary Words From The Video


A supercluster is a group of galaxies that are very large and organized. They are usually found near the centers of large galaxies.

  • There are superclusters of galaxies near the center of the galaxy.
  • The superclusters are located in the center of the galaxy.

A trillionth of something is a very small amount. To say that something is a trillionth of something is to say that it is very, very small.

  • The car is a trillionth of a mile away.
  • The number of stars in the sky is a trillionth of a million.

The subatomic level is the smallest level of the universe that we can see or measure. At the subatomic level, particles like atoms are still moving around.

  • The subatomic particles were moving so quickly that they couldn't be seen.

A thing is gravitational if it attracts other things towards it. The Earth is gravitational, because it attracts objects towards it.

  • The gravitational force between the planets is what keeps them in orbit.
  • The gravitational force between the stars is what makes them move.

Irretrievably means that there is no way to fix or recover from the situation. The ship was irretrievably lost in the storm.

  • The situation is irretrievably bad.
  • The situation is irretrievably changed.

When you say that someone's footsteps are on your doorstep, you are saying that they are close to you. This can be a warning or a declaration.

  • The thief was running down the street, and he was so fast that he didn't hear the doorsteps coming.
  • The police are always on the lookout for criminals, and they are always on the lookout for anyone who is walking on the doorstep.

Unoriginal means that something is not very creative or innovative. Sometimes people use the word to describe something that is not very good or enjoyable.

  • The movie was unoriginal and boring.
  • The book was unoriginal and didn't have any surprises.

An astrophysicist is a scientist who studies the stars. They might study the stars in order to learn more about the universe, or they might study the stars to learn more about the Earth.

  • The astrophysicist was able to study the stars to determine the location of the alien ship.