# s-astro: the “mudball” model; a terrestrial muddiness from carbonaceous asteroids

<< Scientists have long held the belief that planets – including Earth – were built from rocky asteroids, but new research challenges that view >>

Planets like earth may have had muddy origins. July 14, 2017

https://m.phys.org/news/2017-07-planets-earth-muddy.html

<< It would have been a mud, rather than a rock >>

Philip A. Bland, Bryan J. Travis. Giant convecting mud balls of the early solar system. Science  Advances 14 Jul 2017: Vol.  3,  no.  7,  e1602514 doi: 10.1126/sciadv.1602514

http://advances.sciencemag.org/content/3/7/e1602514