Image Details
Caption: Figure 1.
The scattering geometry showing the atmosphere (curved line), the photon beam of the simulations and the location of Fermi. The Fermi—geocenter—GRB angle is 8﹩\mathop{.}\limits^{{\unicode{x000b0}}}﹩7. The altitude and position of Fermi is to scale relative to Earth.
© 2026. The Author(s). Published by the American Astronomical Society.