Answer:
In a memoir called Sirens of Mars, Johnson writes about how the search for life on the planet inspired her to become a planetologist. Mars, she writes, has long been humanity's "mirror, our foil, a telltale reflection of what has been deepest in our hearts. Three countries just launched unmanned missions to the Red Planet in hopes of finding evidence of life. Mars Mania means Opposition, Closest Approach, and a Thunder Moon Meet-up!
Explanation:
