In this particular area of study, one of the ways astronomers look for planets where life might exist is to look for planets that could be warm enough for surface:

The committee that selected the contents of the golden records on the Voyager spacecraft was chaired by:

The map on the golden record uses __________ to point extraterrestrial life to Earth.

Renowned astrophysicist Stephen Hawking expressed concern that any extraterrestrial life that found Earth might result in ___________ for humanity, as Christopher Columbus’ arrival signaled for Native Americans.

While the search for life elsewhere in the universe is uncertain, humans have always been ______, so not satisfying the quest for discovery would go against our very nature.