Skip to main content
    • Aa
    • Aa
  • Get access
    Check if you have access via personal or institutional login
  • Cited by 21
  • Cited by
    This article has been cited by the following publications. This list is generated based on data provided by CrossRef.

    Cockell, C.S. Bush, T. Bryce, C. Direito, S. Fox-Powell, M. Harrison, J.P. Lammer, H. Landenmark, H. Martin-Torres, J. Nicholson, N. Noack, L. O'Malley-James, J. Payler, S.J. Rushby, A. Samuels, T. Schwendner, P. Wadsworth, J. and Zorzano, M.P. 2016. Habitability: A Review. Astrobiology, Vol. 16, Issue. 1, p. 89.

    Díaz, R. F. Rey, J. Demangeon, O. Hébrard, G. Boisse, I. Arnold, L. Astudillo-Defru, N. Beuzit, J.-L. Bonfils, X. Borgniet, S. Bouchy, F. Bourrier, V. Courcol, B. Deleuil, M. Delfosse, X. Ehrenreich, D. Forveille, T. Lagrange, A.-M. Mayor, M. Moutou, C. Pepe, F. Queloz, D. Santerne, A. Santos, N. C. Sahlmann, J. Ségransan, D. Udry, S. and Wilson, P. A. 2016. The SOPHIE search for northern extrasolar planets. Astronomy & Astrophysics, Vol. 591, p. A146.

    Endl, Michael Brugamyer, Erik J. Cochran, William D. MacQueen, Phillip J. Robertson, Paul Meschiari, Stefano Ramirez, Ivan Shetrone, Matthew Gullikson, Kevin Johnson, Marshall C. Wittenmyer, Robert Horner, Jonathan Ciardi, David R. Horch, Elliott Simon, Attila E. Howell, Steve B. Everett, Mark Caldwell, Caroline and Castanheira, Barbara G. 2016. TWO NEW LONG-PERIOD GIANT PLANETS FROM THE MCDONALD OBSERVATORY PLANET SEARCH AND TWO STARS WITH LONG-PERIOD RADIAL VELOCITY SIGNALS RELATED TO STELLAR ACTIVITY CYCLES. The Astrophysical Journal, Vol. 818, Issue. 1, p. 34.

    Grazier, Kevin R. 2016. Jupiter: Cosmic Jekyll and Hyde. Astrobiology, Vol. 16, Issue. 1, p. 23.

    Sharp, P. W. and Newman, W. I. 2016. A MULTIRATE VARIABLE-TIMESTEP ALGORITHM FORN-BODY SOLAR SYSTEM SIMULATIONS WITH COLLISIONS. The Astronomical Journal, Vol. 151, Issue. 3, p. 64.

    Wittenmyer, Robert A. Butler, R. P. Tinney, C. G. Horner, Jonathan Carter, B. D. Wright, D. J. Jones, H. R. A. Bailey, J. and O’Toole, Simon J. 2016. THE ANGLO-AUSTRALIAN PLANET SEARCH XXIV: THE FREQUENCY OF JUPITER ANALOGS. The Astrophysical Journal, Vol. 819, Issue. 1, p. 28.

    Contro, B. Wittenmyer, Robert A. Horner, J. and Marshall, Jonathan P. 2015. The Dynamical Structure of HR 8799’s Inner Debris Disk. Origins of Life and Evolution of Biospheres, Vol. 45, Issue. 1-2, p. 41.

    Rickman, H. Wiśniowski, T. Wajer, P. Gabryszewski, R. and Valsecchi, G. B. 2014. Monte Carlo methods to calculate impact probabilities. Astronomy & Astrophysics, Vol. 569, p. A47.

    Wittenmyer, Robert A. Horner, Jonathan Tinney, C. G. Butler, R. P. Jones, H. R. A. Tuomi, Mikko Salter, G. S. Carter, B. D. Koch, F. Elliott O'Toole, S. J. Bailey, J. and Wright, D. 2014. THE ANGLO-AUSTRALIAN PLANET SEARCH. XXIII. TWO NEW JUPITER ANALOGS. The Astrophysical Journal, Vol. 783, Issue. 2, p. 103.

    Hueso, R. Pérez-Hoyos, S. Sánchez-Lavega, A. Wesley, A. Hall, G. Go, C. Tachikawa, M. Aoki, K. Ichimaru, M. Pond, J. W. T. Korycansky, D. G. Palotai, C. Chappell, G. Rebeli, N. Harrington, J. Delcroix, M. Wong, M. de Pater, I. Fletcher, L. N. Hammel, H. Orton, G. S. Tabe, I. Watanabe, J. and Moreno, J. C. 2013. Impact flux on Jupiter: From superbolides to large-scale collisions. Astronomy & Astrophysics, Vol. 560, p. A55.

    Lewis, Alexia R. Quinn, Thomas and Kaib, Nathan A. 2013. THE INFLUENCE OF OUTER SOLAR SYSTEM ARCHITECTURE ON THE STRUCTURE AND EVOLUTION OF THE OORT CLOUD. The Astronomical Journal, Vol. 146, Issue. 1, p. 16.

    Wittenmyer, Robert A. Tinney, C. G. Horner, J. Butler, R. P. Jones, H. R. A. O’Toole, S. J. Bailey, J. Carter, B. D. Salter, G. S. and Wright, D. 2013. Observing Strategies for the Detection of Jupiter Analogs. Publications of the Astronomical Society of the Pacific, Vol. 125, Issue. 926, p. 351.

    Horner, J. and Jones, B. W. 2012. Jupiter – friend or foe? IV: the influence of orbital eccentricity and inclination. International Journal of Astrobiology, Vol. 11, Issue. 03, p. 147.

    Horner, J. Wittenmyer, R. A. Hinse, T. C. and Tinney, C. G. 2012. A detailed investigation of the proposed NN Serpentis planetary system. Monthly Notices of the Royal Astronomical Society, Vol. 425, Issue. 1, p. 749.

    Churcher, L. J. Wyatt, M. C. Duchêne, G. Sibthorpe, B. Kennedy, G. Matthews, B. C. Kalas, P. Greaves, J. Su, K. and Rieke, G. 2011. Multiwavelength modelling of the β Leo debris disc: one, two or three planetesimal populations?★. Monthly Notices of the Royal Astronomical Society, Vol. 417, Issue. 3, p. 1715.

    Forgan, Duncan H. and Rice, Ken 2010. Numerical testing of the Rare Earth Hypothesis using Monte Carlo realization techniques. International Journal of Astrobiology, Vol. 9, Issue. 02, p. 73.

    Horner, J. Jones, B.W. and Chambers, J. 2010. Jupiter – friend or foe? III: the Oort cloud comets. International Journal of Astrobiology, Vol. 9, Issue. 01, p. 1.

    Horner, J and Jones, B W 2010. Jupiter: friend or foe? An answer. Astronomy & Geophysics, Vol. 51, Issue. 6, p. 6.16.

    Cirkovic, M.M. 2009. Fermi's paradox: The last challenge for copernicanism?. Serbian Astronomical Journal, Issue. 178, p. 1.

    Horner, J. and Jones, B.W. 2009. Jupiter – friend or foe? II: the Centaurs. International Journal of Astrobiology, Vol. 8, Issue. 02, p. 75.


Jupiter – friend or foe? I: The asteroids

  • J. Horner (a1) and B.W. Jones (a1)
  • DOI:
  • Published online: 01 July 2008

The asteroids are a major source of potential impactors on the Earth today. It has long been assumed that the giant planet Jupiter acts as a shield, significantly lowering the impact rate on the Earth from both cometary and asteroidal bodies. Such shielding, it is claimed, enabled the development and evolution of life in a collisional environment, which is not overly hostile. The reduced frequency of impacts, and of related mass extinctions, would have allowed life the time to thrive, where it would otherwise have been suppressed. However, in the past, little work has been carried out to examine the validity of this idea. In the first of several papers, we examine the degree to which the impact risk resulting from a population representative of the asteroids is enhanced or reduced by the presence of a giant planet, in an attempt to understand fully the impact regime under which life on Earth developed. Our results show that the situation is far less clear cut that has previously been assumed, that is, the presence of a giant planet can act to enhance the impact rate of asteroids on the Earth significantly.

Linked references
Hide All

This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.

W.F. Bottke , A. Morbidelli , R. Jedicke , J. Petit , H.F. Levison , P. Michel & T.S. Metcalfe (2002). Debiased orbital and absolute magnitude distribution of the near-Earth objects. Icarus 156, 399433.

J.E. Chambers (1999). A hybrid symplectic integrator that permits close encounters between massive bodies. Mon. Not. R. Astron. Soc. 304, 793799.

C.R. Chapman & D. Morrison (1994). Impacts on the Earth by asteroids and comets: assessing the hazard. Nature 367, 3340.

S.S. Davis (2005). The surface density distribution in the solar nebula. ApJ 627, L153L155.

R. Gomes , H.F. Levison , K. Tsiganis & A. Morbidelli (2005). Origin of the cataclysmic Late Heavy Bombardment period of the terrestrial planets. Nature 435, 466469.

J. Horner & N.W. Evans (2006). The capture of Centaurs as Trojans. Mon. Not. R. Astron. Soc. 367(1), L20L23.

T. Laakso , J. Rantala & M. Kaasalainen (2006). Gravitational scattering by giant planets. Astron. Astrophys. 456, 373378.

S.C. Morris (1998). The evolution of diversity in ancient ecosystems: a review. Philos. Trans. R. Soc. Lond., B, Biol. Sci. 353, 327345.

G.W. Wetherill (1991). Occurrence of Earth-like bodies in planetary systems. Science 253, 535538.

G.W. Wetherill (1994). Possible consequences of absence of Jupiters in planetary systems. Astrophys. Space Sci. 212, 2332.

Recommend this journal

Email your librarian or administrator to recommend adding this journal to your organisation's collection.

International Journal of Astrobiology
  • ISSN: 1473-5504
  • EISSN: 1475-3006
  • URL: /core/journals/international-journal-of-astrobiology
Please enter your name
Please enter a valid email address
Who would you like to send this to? *