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The preliminary 1990 spectrum, COBE anisotropy mapping, instrument construction, later full-data analyses and cosmological interpretation remain separate.", "domain": "Astrophysics and cosmology" }, "sources": [ { "citation": "NASA NTRS, COBE FIRAS spectrum measurement", "url": "https://ntrs.nasa.gov/citations/19950040015" }, { "citation": "Crossref record for COBE FIRAS spectrum paper", "url": "https://api.crossref.org/works/10.1086%2F173574" } ], "statement": "# Mather and colleagues: COBE FIRAS measurement of the microwave-background spectrum\n\nReported COBE FIRAS measurements showing the cosmic microwave background spectrum to be extremely close to a blackbody and placed limits on spectral distortions.\n\n## Scientific scope\n\nThe record is the exact 1994 Astrophysical Journal FIRAS spectrum paper. The preliminary 1990 spectrum, COBE anisotropy mapping, instrument construction, later full-data analyses and cosmological interpretation remain separate.\n\n## Reading status\n\nThis is a source-linked WRS catalogue note. A full explanatory guide and independent scientific reconstruction have not been completed for this entry. Read the identified original work for its complete narrative and arguments.\n\n## People and systems\n\nJohn C. Mather; E. S. Cheng; D. A. Cottingham; Robert E. Eplee Jr.; Dale J. Fixsen; Tilak Hewagama; Richard B. Isaacman; K. A. Jensen; Stephan S. Meyer; Peter D. Noerdlinger; S. M. Read; L. P. Rosen; R. A. Shafer; Edward L. Wright; Charles L. Bennett; N. W. Boggess; Michael G. Hauser; Thomas Kelsall; S. Harvey Moseley Jr.; Robert F. Silverberg; George F. Smoot; Rainer Weiss; David T. 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