The presence of neutral C 60 fullerenes in circumstellar environments has been firmly established by astronomical observations as well as laboratory experiments...
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PublicationOn the Presence of Metallofullerenes in Fullerene-rich Circumstellar Envelopes
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TalkOrganic materials and ices in the outer solar system
The composition of the outer solar system is of particular interest because it holds the key to understanding the chemical evolution of the Solar System...
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TalkOrigin of two primitive NEAs: (3200) Phaethon and 1998 RQ36
Understanding the composition and the nature of any asteroid approaching the Earth, and consequently potentially hazardous, is a matter of general interest...
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PublicationSpectroscopy of Fullerenes, Fulleranes and PAHs in the UV, Visible and Near Infrared Spectral Range
The spectra of fullerenes C60 and C70, higher fullerenes C76, C78 and C84 and hydrogenated fullerenes (fulleranes) were studied in laboratory in the UV and in...
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PublicationStability of C60 and C70 fullerenes toward corpuscular and γ radiation
The stability of C60 and C70 fullerenes in the interstellar medium deposited on dust surface or embedded in meteorites and comets has been simulated with γ...
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TalkStellar black holes at the dawn of the Universe: cosmological implications
The so called "dark ages" of the universe began about 400.000 years after the Big Bang as matter cooled down and space became filled with neutral hydrogen for...
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TalkTemperature inhomogeneities cause the abundance discrepancy in H II regions
H II regions, ionized nebulae associated to massive star formation, exhibit a wealth of emission lines that are the fundamental basis for estimating the...
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PublicationThe 2008 Outburst of EX Lup—Silicate Crystals in Motion
EX Lup is the prototype of the EXor class of eruptive young stars. These objects show optical outbursts which are thought to be related to runaway accretion...
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TalkThe Chemistry of the First Stars-Carbon in the Early Universe
The very metal-poor (VMP; [Fe/H] < –2.0) and extremely metal-poor (EMP; [Fe/H] < –3.0) stars provide a direct view of Galactic chemical and dynamical evolution...