| LC control no. | sh 87007317 |
|---|---|
| LC classification | QB791.3 |
| Topical heading | Dark matter (Astronomy) |
| Variant(s) | Nonluminous matter (Astronomy) Unobserved matter (Astronomy) Unseen matter (Astronomy) |
| See also | Interstellar matter |
| Found in | Work cat.: Tucker, W.H. The dark matter : contemporary science's quest ... in our universe, 1988. Facts file dict. astron. (Matter that comprises 90% of the mass of the universe but is undetectable except by its gravitational effects.) INIS: Thes. (Prefers: Nonluminous matter; also, see references: Unobserved matter; Unseen matter) LC database, Nov. 16, 1987. NASA (Dark matter) |
| Not found in | Britannica Micro.; Conc. encyc. astron.; Dict. astron., space & atmos. phen.; Encyc. astron.; Gloss. astron. & astrophysics; INSPEC; New space encyc.; Web. 3 |
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