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What’s Inside Jupiter?
Jupiter is like a jawbreaker. Dig down beneath the swirling clouds and you'll pass through layer after layer of exotic forms of hydrogen. What's down there, deep within Jupiter? What’s inside Jupiter?...
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How Much Water Would Extinguish the Sun?
Have you ever wondered how much water it would take to put out the Sun? It turns out, the Sun isn't on fire. So what would happen if you did try to hit the Sun with a tremendous amount of water? How...
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What Is A Wolf-Rayet Star?
Wolf-Rayet stars represent a final burst of activity before a huge star begins to die. These stars, which are at least 20 times more massive than the Sun, "live fast and die hard", according to NASA....
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How Quickly Does a Supernova Happen?
When a massive star reaches the end of its life, it can explode as a supernova. How quickly does this process happen? Our Sun will die a slow sad death, billions of years from now when it runs out of...
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Can You Kill a Star With Iron?
Since the energy required to fuse iron is more than the energy that you get from doing it, could you use iron to kill a star like our sun? A fan favorite was How Much Water Would it Take to Extinguish...
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Why Do Red Giants Expand?
We know that the Sun will last another 5 billion years and then expand us a red giant. What will actually make this process happen? One of the handy things about the Universe, apart from the fact that...
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Sweet Sights for November Nights
Clear night ahead? Let's see what's up. We'll start close to home with the Moon, zoom out to lonely Fomalhaut 25 light years away and then return to our own Solar System to track down the 7th planet....
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Why Do Red Dwarfs Live So Long?
While our Sun will only survive for about 5 billion more years, smaller, cooler red dwarfs can last for trillions of years. What's the secret to their longevity? You might say our Sun will last a long...
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The Life Cycle Of The Sun
The Sun has always been the center of our cosmological systems. But with the advent of modern astronomy, humans have become aware of the fact that the Sun is merely one of countless stars in our...
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Who Discovered Helium?
Scientists have understood for some time that the most abundant elements in the Universe are simple gases like hydrogen and helium. These make up the vast majority of its observable mass, dwarfing all...
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