[net.space] Probing the Lagrangian points

David.Smith@CMU-CS-A (12/28/82)

From: David.Smith at CMU-CS-A (C410DS30)
Before rushing off to build an L4 probe, could someone tell us what
was learned by ISEE-3 (I think that's the name.  It's the probe that
is being diverted to intercept comet Giacobini-Zinner), which was
in orbit around L1 for three or four years?

		David Smith