The ‘stuff’ of the universe keeps changing

“The universe went through some very interesting changes, where all of a sudden the periodic table—the total number of elements in the universe—changed a lot,” said Jennifer Johnson, a professor of astronomy at The Ohio State University and the article’s author. Credit: Jennifer Johnson But, as scientists have long known, the periodic table is just made of stardust: Most elements on the periodic table, from the lightest hydrogen to heavier elements like lawrencium, started in stars. “One of the things I like most about this is how it takes several different processes for stars to make elements and these processes are interestingly distributed across the periodic table,” Johnson said.

Source: phys.org