We don't know. We can't know. But...
Every religion and every philosophy builds itself around attempting to answer this question. And they do it on faith because life didn't come with a user's manual.
We live our lives inside a bubble with an opaque surface. Is there something bigger? Were we put here for a purpose? What happens next? What is the... (more)
Orion is built largely from an aluminum/lithium alloy, lighter than the aluminum available at the time of Apollo.