protostars

Describe galactic cosmic rays and how they factor into long-duration human spaceflight (e.g., sending humans to colonize Mars).

Assignment Find one or more recent article(s) from a reliable website or from a resource found in the APUS Library that discusses one of the following topics; summarize the article and elaborate on the topic: a. Describe Brown Dwarfs – what are they, why aren’t they classified as stars, what are the three classifications of […]

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