Now showing items 1-3 of 3
Precise reflectante spectra of ordinary chondrites in the visible and uv : exploring the variability of s-class asteroidal spectra
Narrow-band spectrophotometry programs for the study of asteroids were initiated in the 1960s [1,2], which were able to identify clear absorption bands in the UV and visible, that were used later on in order to develop ...
Historical records of δ-Arietids superfireballs over Spain
Historical reports of bright fireballs are useful to better understand which meteoroid streams can be temptatively associated with meteoritedropping events . We present here a preliminary analysis of a very remarkable ...
The physical properties of the june bootids and de July 23, 2008 superbolide
Many cometary meteoroid streams crossing the Earth were formed from the continuous sublimation of the ice-rich regions in cometary nuclei [1,2,3]. Another mechanism of producing cometary meteoroid streams is the ...