At the atomic scale, we are all made of the same things. Where did those atoms come from?

Iron, carbon, hydrogen — many of the elements that construct skyscrapers and cell phones are also the building blocks of people and puppies. At the atomic scale, we are all made of the same things. Where did those atoms come from? Every element was forged in the cosmos, from stars that collapse and ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - February 4, 2021 Category: Science Source Type: video