Pebble Theory Of Planet Formation Could Explain Why Earth Is Bigger Than Mars
Two months ago , Dr. Hal Levison from the Southwest Research Institute ( SwRI ) in Boulder , Colorado , co - authored apaperthat describe a possibility of “ pebble formation ” for gun giants . He has now expanded that theory in a novel subject area to admit some of the sublunar planets in the Solar System , a major find in planet formation . “ I think it ’s the most important paper I ’ve ever written , ” Levison told IFLScience ....