Do People Really Understand the Scale of the Universe?

TLDRThe universe is vast, with billions of galaxies, each containing billions of stars. Our galaxy, the Milky Way, is just one of many. It's hard to comprehend the immense size and complexity of the universe.

Key insights

🌌There are about 100 billion galaxies in the observable universe.

🌟The Milky Way galaxy is about 100,000 light-years across.

🌍Our solar system is just a tiny part of the Milky Way galaxy.

🪐Each galaxy may have around 100 billion stars.

🌏It's estimated that there are about 6 planets per star in the universe.

Q&A

How many galaxies are there in the universe?

There are approximately 100 billion galaxies in the observable universe, but some estimates suggest there could be up to 2 trillion.

How big is our galaxy, the Milky Way?

The Milky Way is about 100,000 light-years across, with billions of stars and numerous planets.

How many stars are there in a galaxy?

On average, a galaxy may contain about 100 billion stars.

Are there other planets besides Earth in the universe?

It's highly likely that there are millions, if not billions, of other planets in the universe.

Is there anything between galaxies?

Mostly empty space, but there are also clusters and superclusters of galaxies, as well as cosmic voids.

Timestamped Summary

00:00The video starts with the question of whether people understand the scale of the universe.

05:54The Milky Way is about 100,000 light-years across, and there are approximately 100 billion galaxies in the observable universe.

07:35Each galaxy contains about 100 billion stars, and it's estimated that there are about 6 planets per star.

09:02The universe is vast, and the number of galaxies is mind-boggling.

10:21The universe consists of galaxies, clusters, superclusters, and huge voids.

11:08There could be trillions of galaxies in the universe, each with billions of stars and numerous planets.

11:28The scale of the universe is difficult to comprehend, but it's an awe-inspiring and humbling realization.