Exploring the Scales of the Universe

The video explores the vastness of the universe, starting from a meter scale in Venice and expanding to the cosmic scale of galaxies and the universe. It then shifts to the microscopic world, examining cells, DNA, and atoms, and delves into the subatomic realm of quarks. The journey highlights the scale of the universe and the intricacies of the microscopic world, emphasizing the interconnectedness of all things.

What is the width of the acrobat's ring mentioned at the beginning?

• 1 kilometer

• 100 meters

• 10 meters

• 1 meter

How many steps does it take to see the entire planet?

• Eight steps

• Six steps

• Four steps

• Ten steps

At what step do we pass the farthest reaches of human travel, the Moon?

• Six steps

• Eight steps

• Ten steps

• Twelve steps

How far away are the nearest neighbor stars?

• Five light-years

• One light-year

• Ten light-years

• Three light-years

What is the shape of the Milky Way galaxy?

• Spherical

• Spiral

• Elliptical

• Irregular

What did astronomers discover about the galaxies?

• They are stationary

• They are moving towards each other

• They are flying away from one another

• They are rotating around a central point

Who perfected the early microscope?

• Galileo Galilei

• Isaac Newton

• Antony van Leeuwenhoek

• Albert Einstein

What did van Leeuwenhoek discover in a drop of water?

• Single-cell organisms

• Viruses

• Bacteria

• Fungi

What are molecules made of?

• Cells

• Protons

• Atoms

• Electrons

What are the smaller parts that make up protons and neutrons?

• Neutrons

• Electrons

• Photons

• Quarks