Scientific results from the cosmic background explorer (COBE). [Information on cosmic radiation]

Conference · Tue Jun 01 00:00:00 EDT 1993 · Proceedings of the National Academy of Sciences of the United States of America; (United States)

OSTI ID:6200738

Bennett, C L; Boggess, N W; Cheng, E S; Hauser, M G; Kelsall, T; Mather, J C; Moseley, Jr, S H; Shafer, R A; Silverberg, R F ^[1]; Murdock, T L ^[2]; Smoot, G F ^[3]; Weiss, R ^[4]; Wright, E L ^[5]

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1. NASA/Goddard Space Flight Center, Greenbelt, MD (United States)
2. General Research Corp., Danvers, MA (United States)
3. Lawrence Berkeley Lab., CA (United States)
4. Massachusetts Inst. of Technology, Cambridge (United States)
5. Univ. of California, Los Angeles (United States)

The National Aeronautics and Space Administration (NASA) has flown the COBE satellite to observe the Big Bang and the subsequent formation of galaxies and large-scale structure. Data from the Far-Infrared Absolute Spectrophotometer (FIRAS) show that the spectrum of the cosmic microwave background is that of a black body of temperature T = 2.73 [+-] 0.06 K, with no deviation from a black-body spectrum greater than 0.25% of the peak brightness. The data from the Differential Microwave Radiometers (DMR) show statistically significant cosmic microwave background anisotropy, consistent with a scale-invariant primordial density fluctuation spectrum. Measurements from the Diffuse Infrared Background Experiment (DIRBE) provide new conservation upper limits to the cosmic infrared background. Extensive modeling of solar system and galactic infrared foregrounds is required for further improvement in the cosmic infrared background limits. 104 refs., 1 tab.

• OSTI ID: 6200738
• Report Number(s): CONF-9203232--
• Conference Information: Journal Name: Proceedings of the National Academy of Sciences of the United States of America; (United States) Journal Volume: 90:11
• Country of Publication: United States
• Language: English

Related Subjects

661300* -- Other Aspects of Physical Science-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
COSMIC RADIATION
DETECTION
ELECTROMAGNETIC RADIATION
GALAXIES
INFRARED RADIATION
IONIZING RADIATIONS
MEASURING INSTRUMENTS
MICROWAVE RADIATION
RADIATION DETECTORS
RADIATIONS
RADIOMETERS
SATELLITES
SOLAR SYSTEM