The Abundance of Stuff in the Universe #infographic

The Abundance of Stuff in the Universe #infographic

Out of all the known matter there is, hydrogen is by far the most common element in the universe, comprising 75% of all known matter. Hydrogen is first on the periodic table, with one proton and one electron. In the universe, it's the simplest thing. On the periodic table, number two, helium, contains about 23 percent of the universe's matter. That means practically everything else you know is the last 2 percent of the matter!


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