Cosmology: new cosmological data and the "best-fit" universe, O. Lahav; measuring the universe with the cosmic microwave background, D. Barbosa and M. Chu; initial conditions for hybrid inflation, L.E. Mendes and A.R. Liddle; the density parameter in scalar field cosmologies, J.P. Mimoso and A. Nunes. Relativistic astrophysics: matter trapped gravitational waves, L. Bento and J.P.S. Lemos; pair creation of particles and black holes in external fields, O.J.C. Dias; defining a test particle's velocity at the Schwarzschild horizon, P. Crawford and I. Tereno. Stellar and gallactic astrophysics: searching the whole sky for variability, B. Paczynski; T Tauri stars - near infrared spectroscopy, D.F.M. Folha; large scale structure and cosmic rays revisited, R. Ugoccioni et al; the contribution of stellar light in BL Lac type objects, P. Mendes and M. Roos-Serote. Planetary astrophysics: Galileo/near infrared mapping spectrometer data from Jupiter - where is the water vapour?, M. Roos-Serote et al; photometry of centaurs 1997 CU26 and 1999 UG5, N. Peixinho et al. Public lectures: gamma ray bursts - the most energetic machines in the universe, B. Paczynski; the physics of the little bang, J.D. de Deus; and other papers.
