APR 03, 2018 7:21 PM PDT

Here's Why We Sterilize Spacecraft

WRITTEN BY: Anthony Bouchard


Whenever we send spacecraft into space or to another planetary body for scientific research, it's vital that we scrub its surface of Earthly microbes beforehand to prevent cross-contamination; this is particularly important as we search our solar system for other habitable places besides Earth.

NASA and other space agencies around the world follow strict sterilization rules before sending missions into space. There are several methods to sterilize a spacecraft, such as baking, radiation treatment, and alcoholic scrubbing. No cleaning method is perfect, so current regulations allow for up to 300,000 spores on a single spacecraft.

Without these regulations, it would be easy for Earth-based microbes to hitch a ride on a spacecraft to another planet and colonize the surface. This would mean contaminating the surface and potentially throwing false positives as we search for life.

Unfortunately, commercial space programs are becoming more popular, and they aren't regulated as heavily as federal space programs. It's essential that we take care during commercial space exploration too if we're to uncover the secrets of our solar system.

About the Author
  • Fascinated by scientific discoveries and media, Anthony found his way here at LabRoots, where he would be able to dabble in the two. Anthony is a technology junkie that has vast experience in computer systems and automobile mechanics, as opposite as those sound.
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