Formation and origin of the IRAS zodiacal dust bands as a consequence of single collisions between asteroids
Journal Article
·
· Icarus; (United States)
Debris fom the single collisions between asteroids that are presently suggested as an explanation for zodiacal dust bands discovered by IRAS is distributed about the plane of the ecliptic, as particles undergo differential precession of their ascending nodes because of their semimajor axes' dispersion. On time scales of 100,000 to 1,000,000 yr, two bands are formed on each side of the ecliptic for each collision; the IRAS band pairs are probably due to collisions of aproximately 15-km diameter asteroids which occurred within the last several million yr. The model presented suggests that asteroid collisions suffice as a basis for most of the observed zodiacal emission. 23 references
- Research Organization:
- Arizona Univ., Tucson; Science Applications International Corp., Tucson, AZ
- OSTI ID:
- 5428567
- Journal Information:
- Icarus; (United States), Journal Name: Icarus; (United States) Vol. 65; ISSN ICRSA
- Country of Publication:
- United States
- Language:
- English
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