UNIVERSALLY KNOWN To find out how big the universe is you’ll first need to know what the universe is The universe is all of outer space including every single star planet moon galaxy and more In other words the universe is everything that exists It’s hard to picture the size of the universe because it’s made up of everything Figuring out the size of galaxies planets and other objects in outer space helps us make sense of just how huge the universe is 4
Right now only astronauts can go to space but pretty soon anyone with enough money may be able to travel there In the meantime a good way to go out of this world is to use your imagination and read books about space 5
GREETINGS EARTHLING You might have some idea about Earth’s size You likely even have an idea of the size of your city state and country You may know about how big your continent is The Earth is about 25,000 miles 40,235 km around If you were going 50 miles 80 km per hour in a car Out of This World Oceans cover over 70 percent of Earth’s surface The largest ocean is the Pacific Ocean which is almost the size of all land on Earth combined and could drive across oceans it would take you over 20 days to circle back to where you started 6
This is a picture of what Earth looks like from space You can see that oceans cover a large amount of our planet 7