Use "relativistically" in a sentence

1. After these annihilations, the remaining protons, neutrons and electrons were no longer moving relativistically and the energy density of the Universe was dominated by photons (with a minor contribution from neutrinos)

2. Virtuality of a particle is characterized by the relativistically invariant value Q2 = E2 – p2c2 – m2c4, where Q2 may be both positive and negative