The Long-Term Future of Space Travel

Preprint English OPEN
Heyl, Jeremy S.;

The fact that we apparently live in an accelerating universe places limitations on where humans might visit. If the current energy density of the universe is dominated by a cosmological constant, a rocket could reach a galaxy observed today at a redshift of 1.7 on a one... View more
  • References (9)

    [1] C. Misner, K. S. Thorne, and J. A. Wheeler, Gravitation (W. H. Freeman, San Francisco, 1973).

    [2] A. G. Riess et al., Astronom. J. 116, 1009 (1998).

    [3] D. N. Spergel et al., Astrophys. J. Supp. 148, 175 (2003).

    [4] L. M. Krauss and G. D. Starkman, Astrophys. J.531, 22 (2000).

    [5] A. Loeb, Phys. Rev. D65, 047301 (2002).

    [6] J. D. Barrow and S. Hervik, Physics Letters B 566, 1 (2003).

    [7] L. M. Krauss and G. D. Starkman, astro-ph/0404510 (unpublished).

    [8] P. J. E. Peebles, Principles of Physical Cosmology (Princeton, Princeton, 1993).

    [9] R. R. Caldwell, M. Kamionkowski, and N. N. Weinberg, Physical Review Letters 91, 071301 (2003).

  • Metrics
    No metrics available
Share - Bookmark