KNOWLEDGE
Can You Answer These Basic Questions About the Solar System?
5 Minute Quiz 5 Min
Deborah Beckwin
7 Min Quiz
The universe that we live in is a vast and ever-expanding place, expanding faster than the speed of light. And the calculations made in astronomy and cosmology are so large, it can be hard to comprehend how big the universe actually is.
Within our universe, there are at least 100 billion galaxies—and that's in the observable universe. If the universe expands faster than the speed of light, then that means there will be galaxies that we are unable to see.
And in each galaxy, there are at least 100 billion stars.
On top of that, there could be multiple universes with at least as many galaxies as we have in ours.
And in that intergalactic soup of the billions of galaxies and stars is where we live—the Milky Way, the spiral disk of stars (at least 200 billion to possibly 400 billion stars) which contains our solar system. And our solar system is not the only one. Scientists have found at least 500 solar systems within our galaxy. But just within the Milky Way alone, there could be up to 100 billion solar systems.
Even just looking at our own solar system is enough to make one's mind implode with numbers that require scientific notation because there are just so many zeroes. But that's what this quiz will attempt to do—to test your knowledge on the basics of our solar system, one of possibly billions in a galaxy with billions of stars, in a universe with billions of galaxies.
If you're ready to take this fantastic voyage through the place we call home, then let's liftoff! Have fun and good luck!
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