Astronomy September 2019

Item #asy190901-c

Special Issue — The search for new life

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Are we alone in the universe?
Mars, Pluto, and an array of icy moons offer possible places where microbial life might have existed –  or might exist today. David J. Eicher

Is there life on Mars?
Earth’s neighbor once had a climate conducive to life. Now scientists are trying to learn if the Red Planet turned those chances into reality. Jim Bell

How we might find life on Europa
Jupiter’s icy moon is a great candidate for habitability. But life’s best chance to exist is beneath the crust.

Sky This Month
Neptune peaks in Aquarius
Martin Ratcliffe and Alister Ling

StarDome and Path of the Planets
Richard Talcott;
Illustrations by Roen Kelly

Searching for life on Saturn’s big moon
Titan’s soupy skies drizzle hydrocarbons onto the moon’s surface, potentially providing the building blocks of life. Michael Carroll

The enigma of Enceladus
This tiny saturnian moon may be, pound for pound, the most valuable piece of real estate in the solar system. Morgan L. Cable and Linda J. Spilker

What lies beneath Triton’s ice?
Neptune’s moon Triton shows tantalizing evidence of water beneath its jumbles crust, making it a high-priority target in the search for life. Nola Taylor Redd

Life’s prospects on Pluto
Who would have thought this dwarf planet could nurture life? The idea seemed ludicrous before New Horizons explored the world. Francis Nimmo  

Astronomy Discover