Oldest star provides hints about first supernovas
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/02/ticker_old20stars.jpg?fit=860%2C460&ssl=1)
The first stars in the universe, illustrated here, may not have died in the explosive fireworks of those today. That could be why second-generation stars, the most ancient ones astronomers can still study, have very little iron.
Adolf Schaller/STScI