77 citations · 141 across the 2 of their papers we have counts for
2 papers
astro-ph.EP2009★ 64 cited
On the protection of extrasolar Earth-like planets around K/M stars against galactic cosmic rays
J. -M. Grießmeier, A. Stadelmann, J. L. Grenfell +2
Previous studies have shown that extrasolar Earth-like planets in close-in habitable zones around M-stars are weakly protected against galactic cosmic rays (GCRs), leading to a str…
astro-ph2007★ 77 cited
Biomarker Response to Galactic Cosmic Ray-Induced NOx and the Methane Greenhouse Effect in the Atmosphere of an Earthlike Planet Orbiting an M-Dwarf Star
John Lee Grenfell, Jean-Mathias Griessmeier, Beate Patzer +6
Planets orbiting in the habitable zone (HZ) of M-Dwarf stars are subject to high levels of galactic cosmic rays (GCRs) which produce nitrogen oxides in earthlike atmospheres. We in…