An Introduction to Modern Astrophysics · Problem 2.15
The Continuous Spectrum of Light — Carroll & Ostlie
Physics — Astrophysics · halley-orbit-computer
Problem
Using Orbit (the program is described in Appendix J and available on the companion website) together with the data given in Problem 2.14, estimate the amount of time required for Halley's comet to move from perihelion to a distance of 1 AU away from the principal focus.