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What are Planetary Nebulae?
Meet the planetary nebula, one of the universe’s most gorgeous phenomena. If you’ve ever looked through a telescope, you may have seen one of these before. Through a small telescope, one might look like a little planet — hence the…
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Types of Atoms
Does this look familiar? It might, or it might not. If it does, you might recognize it as the periodic table of the elements — more often known as simply the “periodic table.” It’s an ingenious way to organize elements…
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Elements and Compounds
Recognize this? This is the periodic table, and it’s pretty much the most important table in all of chemistry. All the little boxes on this “table” are elements, the simplest form of matter. You literally can’t break these down further. What’s…
