A tiny piece of the building blocks from which comets formed has been discovered inside a primitive meteorite. The discovery by a Carnegie Institution of Science-led team, including a researcher now at Arizona State University, was published April 15 in Nature Astronomy.
![](https://3c1703fe8d.site.internapcdn.net/newman/csz/news/tmb/2019/tinyfragment.jpg)
Source:
https://phys.org/news/2019-04-tiny-fragment-comet-meteorite.html