Mars rocks are falling on Earth as we speak. Some have actually been observed. Integrate that over billions of years, and you have an enormous number of repeated experiments.
Rocks are pretty good radiation shields, particularly for the kinds of radiation or energetic particles likely to be in solar-system space.
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.
This website focuses on proverbs in the Swedish, Danish and Norwegian languages, and some parts including the links below have not been translated to English. They are mainly FAQs, various information and webpages for improving the collection.