Subject	parallax
Predicate	be used
Object	to determine a distance to a star
Modality	Modality Occurrences
Polarity	POSITIVE
Plausibility	0.7866
Neighborhood Sigma	0.8463
Local Sigma	1.0000
Example Sentences	Sentence Occurrences Source parallax is used to determine a distance to a star 1 Answers.com Questions