Exploring the Powers of Ten in Cosmic Voyage

The video tutorial explores the vastness of the universe by using powers of 10 to scale our view from Venice to the outer limits of the visible universe. It begins with a local perspective, gradually expanding to encompass the Earth, the Moon, the solar system, and beyond. The journey highlights the Milky Way galaxy and the concept of light years, illustrating the immense distances between stars. Finally, it discusses the expansion of the universe and the formation of galaxy clusters, leaving viewers with a sense of the unknown beyond the cosmic horizon.

What is the width of the acrobat's ring mentioned in the video?

• 1 kilometer

• 1 meter

• 10 meters

• 100 meters

How much wider is the crowd compared to the acrobat's ring?

• 15 times

• 10 times

• 5 times

• 20 times

At what distance can we see the entire planet?

• 100 kilometers

• 1,000 kilometers

• 10 kilometers

• 1 kilometer

How many steps does it take to pass the farthest reaches of human travel?

• 8 steps

• 7 steps

• 6 steps

• 9 steps

What is the distance light travels in one year called?

• Light hour

• Light minute

• Light second

• Light year

How long would it take to travel to the nearest stars at the speed of today's spacecraft?

• 50,000 years

• 200,000 years

• 10,000 years

• 100,000 years

What type of galaxy is the Milky Way?

• Elliptical galaxy

• Irregular galaxy

• Lenticular galaxy

• Spiral galaxy

Approximately how many stars are in the Milky Way?

• 1 billion

• 10 million

• 1 million

• 100 billion

What have astronomers discovered about the galaxies?

• They are shrinking

• They are flying away from one another

• They are colliding

• They are stationary

How far from Venice do we approach the outer limits of the visible universe?

• 15 billion light years

• 10 billion light years

• 5 billion light years

• 1 billion light years