Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This plot shows the cap edge as a function of season. The data used was 30 µ mpre-mapping TES data. The contour lines are spaced at 10 degrees of Ls, starting with 215 as the dark blue contour.
Public Domain.
