Assertion: meteorite comet | /r/MadeOf | water ice
Facets:
Source sentences:
text: — at the other, really icy — comets Comets are made of volatile materials like water ice, dry ice and carbon monoxide ice, with a bit of dust, rock, rubble and metal mixed in
text: — at the other, really icy — comets Comets are made of volatile materials like water ice, dry ice and carbon monoxide ice, with a bit of dust, rock, rubble and metal mixed in