Celso Mirra

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ESA astronauts' ISS flight opportunities are considered as a vital source to meet the utilisation, operation and political objectives that Europe has established for participating in the International Space Station programme. Recent internal ESA assessments have demonstrated that a rate of three flights per year for European Astronauts should be maintained(More)
The formation, properties and chemical dynamics of microparticles are important in a wide variety of technical and scientific fields including synthesis of semiconductor crystals from the vapour, heterogeneous chemistry in the stratosphere and the formation of cosmic dust surrounding the stars. Gravitational effects on particle formation from vapors include(More)
We have undertaken a project called STARDUST which is a collaboration with Italian and American investigators. The goals of this program are to study the condensation and coagulation of refractory materials from the vapor and to study the properties of the resulting grains as analogs to cosmic dust particles. To reduce thermal convective currents and to(More)
PArticiPAnts Aloisio Carvalhaes, Angelo Paulo Ferrari Júnior, Antonio Frederico Magalhães, Ary Nasy, Celso Mirra Paula e Silva, Cláudio L.Hashimoto, Décio Chinzon, Edson Pedro da Silva, Eduardo G. H. Moura, Eponina Maria Oliveira Lemme, Farid Butros Iunan Nader, Fauze Maluf Filho, Gerson R. de Souza Domingues, Igelmar Barreto, Isac Jorge Filho, Ismael(More)
Landlocked lagoons are naturally stressed environments. They are strongly influenced by freshwater input which not only varies naturally, but which is also impacted by anthropogenic activities. This study investigated the direct influence of freshwater discharges on the distribution patterns and abundance of benthic communities in two neighbouring(More)
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