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The Ultimate Astronomy Quiz

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Though the astronomy field has evolved from its primitive beginnings, there's still a boundless cosmos to explore. Test your astronomy knowledge with our quiz.

What Is a Cosmic Cow?

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Astronomers at Haleakalā Observatory in Hawaii noted a bright X-ray emission in 2018, which persisted for three weeks and glowed ten times more brightly than previously studied supernovas, but are just now beginning to understand it.

How Solar Sails Work

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What is a solar sail? How can you use sunlight to move a spacecraft in outer space? In this article, HowStuffWorks will show you how solar sail technology works, take an in-depth look at the Cosmos-1 mission and find out what solar-sails mean for future space travel.

How Isaac Newton Worked

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Isaac Newton is one of the most important contributors to the field of science. Learn about the life of Isaac Newton.

Can You Ace This 12th Grade Physics Quiz?

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You're gonna have to get PHYSIC-al with this quiz. It's so easy, a high schooler can do it! Actually, some of them can't. Do you think you can get a better score than a 12th-grader?

10 Scientific Laws and Theories You Really Should Know

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Even if you don't operate a scanning electron microscope all that frequently, you might want to brush up on these 10 scientific laws and theories. After all, they're some of our best tools for describing how the universe works.

What Would Happen if the Earth Stopped Rotating?

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You can say goodbye to the seven continents and hello to days that seem infernally long. What else awaits you on a spin-free Earth?

Can You Pass This Basic Astrology Test?

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Whether you check your horoscope religiously or turn your nose up at looking to the stars, how much do you know about astrology? Even if you think celestial divination's pure fiction, there are plenty of facts to unpack.

Can You Get More Than 11 Right on This Astronomy Quiz?

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Does the solar system fill you with wonder? Are you an amateur stargazer fascinated by celestial bodies? Show off your knowledge of the universe with an out-of-this-world astronomy quiz!

How Newton's Laws of Motion Work

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Newton's iconic laws of motion are at work all around you, whether you're watching an Olympic swimmer push off a pool wall or a batter hit a baseball. So what are they?

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