ar X iv : a st ro - p h / 03 12 43 9 v 1 17 D ec 2 00 3 Electromagnetic Signals from Planetary Collisions

ar X iv : a st ro - p h / 02 12 56 6 v 1 3 0 D ec 2 00 2 Dark Energy : Is it Q or Λ ?

New observations of Cosmic Microwave Background Anisotropies, Su-pernovae luminosity distances and Galaxy Clustering are sharpening our knowledge about dark energy. Here we present the latest constraints.

ar X iv : a st ro - p h / 06 12 37 8 v 1 1 4 D ec 2 00 6 Magnetic fields , strings and cosmology

ar X iv : a st ro - p h / 05 12 61 7 v 1 2 7 D ec 2 00 5 3 D Spectroscopy of Herbig - Haro objects

ar X iv : a st ro - p h / 01 12 42 3 v 1 1 8 D ec 2 00 1 The black hole mass of BL Lacs from stellar velocity dispersion of the host galaxy

The black hole mass of BL Lacs from stellar velocity dispersion of the host galaxy.

ar X iv : a st ro - p h / 02 12 57 9 v 1 3 1 D ec 2 00 2 Behaviour of Magnetic Tubes in Neutron Star ’ s

It is found from Maxwell's equations that the magnetic field lines are good analogues of relativistic strings. It is shown that the super-conducting current in the neutron star's interior causes local rotation of magnetic flux tubes carrying quantized flux.