Assertion: nebula's material | /r/HasProperty | nebula
Facets:
Source sentences:
text: Laplace said that the material from which the solar system was formed was once a slowly rotating cloud, or nebula, of extremely hot gas.
text: The oldest inclusions found in meteorites, thought to trace the first solid material to form in the presolar nebula, are 4568.2 million years old, which is one definition of the age of the Solar System.