Assertion: nebula's constellation | /r/HasProperty | sail
Facets:
Source sentences:
text: The constellation of Vela, the sails, as it can be seen by the naked eye
text: Its name is Latin for the sails of a ship, and it was originally part of a larger constellation, the ship Argo Navis, which was later divided into three parts, the others being Carina and Puppis.