“We may begin to emerge from our ignorance about our place in the Universe,” marvels @georgetownuniversity's Sarah Stewart Johnson PhD ’08, who leads a research lab studying traces of life. She shares how the #Mars samples eventually brought back from the @nasa #Perseverance mission might help scientists take the first step in answering big questions about life on other planets. “It may be that our Universe is just a hatchery of possibilities.” More at the link in the bio. . . #NASA #Perseverance #RedPlanet #MarsLanding #JuntosPerseveramos #Space #Galaxy