Shortly before the bits of matter begin to coalesce, they are observed by alien astronomers.
He adopted the customary protocols of long-term observational astronomy, but did not treat other astronomers as colleagues.
To compound the problem, most instructors in such courses are (naturally) astronomers, whose grounding in astrobiologically-related fields such as chemistry and biology may be minimal.
It included few professional astronomers but many physicians, men of letters, diplomats, students, polymaths, and variously educated gentlemen.
A telescope is, after all, a mere instrument in the hands of an astronomer, who would be automatically gendered as masculine.
These molecules pose potential difficulties for both laboratory spectroscopists and radio astronomers.
They then decide what classes of stars they think astronomers should focus on in the search for planets that might have life.
It is difficult to imagine that astronomers were ever at serious risk for these alternative scenarios.