Assertion: planet's size | /r/AtLocation | cigarette smoke
Facets:
Source sentences:
text: It is probably made up of dust particles less than 10 microns in diameter, about the same size of the particles found in cigarette smoke, and extends to an outer edge of about 80,000 miles (129,000 km) from the center of the planet and inward to about 18,600 miles (30,000 km).