Posted: Mar 30, 2017 1:13 am
Here is a chart of the detectable flux of cosmic rays at various energies from the "cosmic ray" wiki page:
By Sven Lafebre - own work, after Swordy.[1], CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1555202
Looks like there are all sorts of particles with more than 155 GeV. While this might not amount to enough to account for the mass needed, it shows qualitatively that the Earth is not a closed system and maybe we just haven't found all the contributors.
By Sven Lafebre - own work, after Swordy.[1], CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1555202
Looks like there are all sorts of particles with more than 155 GeV. While this might not amount to enough to account for the mass needed, it shows qualitatively that the Earth is not a closed system and maybe we just haven't found all the contributors.