Noun
astrobiologist (plural astrobiologists)
A biologist whose speciality is astrobiology
Ed Howker has the details, and we talk to astrobiologist Manish Patel and Tom Kerss, an astronomer based at the Royal Observatory Greenwich. Source: Internet
From LC: The Library of Congress has acquired the personal papers of American astronomer, astrobiologist and science communicator Carl Sagan (1934-1996). Source: Internet