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  • AGRIPINO SEGUNDO DE SOUSA NETO, AGRIPINO SEGUNDO DE SOUSA NETO (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-04-29)
    Modern cosmology provides a consistent description of the Universe on large scales, although fundamental questions, such as the nature of dark energy and the consistency among different cosmological estimates, remain open. ...
  • ELLEN COSTA DE ALMEIDA, ELLEN COSTA DE ALMEIDA (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-08-26)
    The well-established planet-metallicity correlation indicates that planets form through the core accretion mechanism, but the influence of other elements besides Fe in this process is still unknown. Thus, expanding stellar ...
  • Fernanda Araujo de Oliveira, Fernanda Araujo de Oliveira (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-08-21)
    In this study, we perform tests aiming to investigate the viability of alternative theories to the Standard Cosmological Model by using two important tools: Gaussian Processes and Markov Chain Monte Carlo. Using data ...
  • Gabriel da Silva Rodrigues, Gabriel da Silva Rodrigues (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Astronomia, 2026-05-04)
    Neutrinos play a fundamental role in both particle physics and cosmology, providing an important bridge between the physics of the very small and the largest scales of the Universe. While neutrino oscillation experiments ...
  • Jonatã Barbosa Teixeira, Jonatã Barbosa Teixeira (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2025-04-29)
    The presence of magnetite (Fe3O4) in petroleum systems represents an important factor in understanding inaccuracies related to carbonate formations, which influence both exploration and the petrophysical analysis of these ...
  • OLIVEIRA CRUZ JUNIOR, ANTENOR (Observatorio NacionalDivisão de Programas de Pós-Graduação - DIPPGBrasilONPrograma de Pós-Graduação em Geofísica, 2022-02-03)
    Electroresistivity is a geoelectric method that consists in estimating the electrical resistivity to investigate the structural composition of the shallow subsurface. However, commercial equipment has a high acquisition ...