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Space
Space
Science
Zahida Sultanova

Before trips to Mars, we need better protection from cosmic rays

Mars Earth Radiation NASA Space travel
An illustration of a rocket ship about to encounter a burst of cosmic rays.

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights.

The first step on the moon was one of humanity's most exciting accomplishments. Now scientists are planning return trips – and dreaming of Mars beyond.

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