Image Details
Caption: Figure 1.
Visualization of the New Horizons Alice slit orientation at two times during the high-resolution Lyα scans. The spacecraft was slewed perpendicular to the slit first in decl., and then the slit was rotated to slew in R.A. for the narrow slot (stem) to cover the same 4° × 4° region.
© 2026. The Author(s). Published by the American Astronomical Society.