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## Spots on Asteroids as Evidence of Collisions

Protecting the Earth against Collisions with Asteroids and Comet Nuclei, In: A. M. Finkelstein, W. F. Huebner, V. A. Shor (Eds) Proceedings of the International Conference “Asteroid-Comet Hazard-2009”, StP: Nauka, 43–45 (2010)

Ключевые слова: Very Long Baseline Interferometry (VLBI), Small Solar System Body (SSSB), hydro-silicate spots on asteroids, evidence of small body collisions, the spectral-frequency method (SFM), asteroid 21 Lutetia, asteroid 4 Vesta

### Аннотация

The spectral-frequency method (SFM) was developed in SAI and SRI CrAO [1]. It was used for investigations of sizes of hydro-silicate spots on the surfaces of asteroids 21 Lutetia and 4 Vesta. The results are in agreement with data from other observations. Spots are the result of small body collisions