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What is gravity?

Gravity is one of the fundamental forces of the universe. It makes us fall to the ground when we jump, and makes enormous gas cloudsRead More

Why is there more matter than antimatter in the universe?

All particles that form matter around us, such as electrons, protons or neutrons, have equivalent versions of them in antimatter. The antimatter particles, or antiparticles,Read More

What is antimatter?

Matter particles constitute almost everything we see in the universe. The atoms are formed by protons, electrons, neutrons, and more particles of smaller size. EvenRead More

Why do galaxy nuclei contain black holes?

Since the 1960s we know that most galaxies contain a black hole in their centre. These black holes have masses in the order of millionsRead More

Which rocket models does SpaceX have?

SpaceX is an enterprise of aerospace transport founded by Elon Musk, one of the most famous and wealthiest men on the planet. Since its creationRead More

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