How do you provide power to a spacecraft wandering the solar system? In the early days of space exploration, batteries were the first option. Sputnik 1 with its famous beep-beep was powered by silver-zinc batteries that lasted for a little…
Month: September 2022
Time and Distance
The James Webb Space Telescope (JWST) has elicited well-deserved plaudits for its ability to peer far back into the early days of our universe, only a few hundred million years after the Big Bang that birthed it. Webb’s infrared vision…
Rocket Juice
When (If?) NASA’s Space Launch System (SLS) lifts off tomorrow, there will be a spectacular show of multiple rocket engines getting it off the pad. The most obvious will be the solid rocket boosters strapped to the side of the…
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