Navegação Ciências Exatas e da Terra por Assunto "Cosmology"

Resultados 1-2 de 2

    • An independent method for determining the age of the universe 

      Winget, Donald Earl; Liebert, James; Horn, H.M. van; Fontaine, Gilles; Nather, R. Edward; Kepler, Souza Oliveira; Lamb, Donald Q.; Hansen, Carl J.; Hasen, C.J. (1987) [Artigo de periódico]
      The oldest white dwarf stars in the solar neighborhood are still observable, and their luminosity distribution can be used to determine directly the age of the Galactic disk and, somewhat less directly, the age of the ...

    • Stellar population analysis of the red and blue galaxies in the distant cluster Abell 370 

      Jablonka, Pascale; Alloin, Danielle Marie; Bica, Eduardo Luiz Damiani (1990) [Artigo de periódico]
      In this paper, we apply a population synthesis method based on star cluster integrated spectral properties to members of the distant galaxy cluster Abell 370. Within boxes defined from magnitude vs colour diagrams, we have ...