Galaxies Quiz

Who was the first scientist to organize galaxies by shape and structure?

• Edwin Hubble

• Isaac Newton

• Georges Lemaître

• Albert Einstein

What is the name of the diagram developed by Edwin Hubble to organize galaxies?

• Hubble Tuning Fork Diagram

• Galactic Evolutionary Guide

• Black Hole Diagram

• Milky Way Chart

What is the estimated number of galaxies in the universe according to some scientists?

• 10,000

• 100 million

• One hundred billion

• One trillion

What is the central gravitational source in most galaxies?

• Neutron Star

• Red Giant

• White Dwarf

• Supermassive Black Hole

What is the shape of our galaxy, the Milky Way?

• Elliptical

• Spiral

• Irregular

• Circular

What did Edwin Hubble notice about galaxies in relation to their movement?

• They were moving away from us

• They were stationary

• They were rotating

• They were moving closer to us

What did Georges Lemaître propose about the beginning of the universe?

• It started as a single point and expanded

• It started as a giant star

• It started as a black hole

• It started as a galaxy

What did the universe consist of when it began according to the text?

• Atoms

• Stars

• Planets

• Tiny particles mixed with light and energy

How old is the universe according to the text?

• 500 million years

• 100 billion years

• 13.8 billion years

• 1 million years

What is another proposed name for the 'Big Bang' according to the text?

• The Everywhere Stretch

• The Great Expansion

• The Universal Explosion

• The Cosmic Blast