Landing on Mars — as NASA’s Voyager 1 spacecraft did 40 years ago, on July 20, 1976 — is a complex affair. Here’s a look at the five main ways space probes have done it over the decades.
from Space.com ift.tt/29URY7R
Landing on Mars — as NASA’s Voyager 1 spacecraft did 40 years ago, on July 20, 1976 — is a complex affair. Here’s a look at the five main ways space probes have done it over the decades.
from Space.com ift.tt/29URY7R
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