Starship Asterisk*

I see, active nebulae are relatively short-lived. I'm surprised though at how quickly the left-over materials are dispersed, considering the highly structured spiral arms of the Milky Way.

Thanks for your answer.

Is this known or unknown? The sun - a star slightly above average in size - must have formed in an emission nebula some 5 billion years ago. Does the nebula from which the sun emerged still exist? Is it something that can only be speculated on for lack of information? Even if the nebula has been dis...

Noticed the similarities between drawings and handwriting in the Voynich versus the notebooks of Leonardo Da Vinci? Dr Edith Sherwood was among the first to propose this idea that I know of and digging for myself using google images there are many psychological, artistic and symbolic parallels. Wher...