From the September 2008 issue

Take a trip on the interplanetary superhighway

Here's how to transport a large space telescope far into space using virtually no fuel.
By | Published: September 22, 2008 | Last updated on May 18, 2023
When most people talk about “hopping a tube,” it usually refers to a trip on the London subway system. But to Jet Propulsion Laboratory researcher Martin Lo, tube hopping is about riding the Interplanetary Superhighway, or IPS.