Assertion: heliosphere | /r/HasProperty | symmetrical
Facets:
Source sentences:
text: This means that long, comet-like tail that scientists envisioned may not exist at all -- instead, the heliosphere may be nearly round and symmetrical.
text: This means that long, comet-like tail that scientists envisioned may not exist at all — instead, the heliosphere may be nearly round and symmetrical.
text: By timing particles echoing off the boundary of the heliosphere and correlating them with ions measured by the twin Voyager spacecraft, Cassini scientists concluded that the heliosphere is actually very nearly round and symmetrical: neither a comet nor a croissant, but more like a beach ball.