Exomoons: Why study them? What can they teach us about finding life beyond Earth?

Artist's depiction of an exomoon orbiting a gas giant within the star's habitable zone. (Credit: NASA/JPL-Caltech)

Universe Today has had the recent privilege of investigating a multitude of scientific disciplines, including impact craters, planetary surfaces, exoplanets, astrobiology, solar physics, comets, planetary atmospheres, planetary geophysics, cosmochemistry, meteorites, radio astronomy, extremophiles, organic chemistry, black holes, cryovolcanism, planetary protection, dark matter, supernovae, and neutron stars, and how they both individually and collectively contribute to our greater understanding of our place in the universe.

Here, Universe Today discusses the growing field of exomoons with Dr. David Kipping, who is an assistant professor in the Astronomy Department at Columbia University, along with his PhD students, Benjamin Cassese and Daniel Yahalomi, regarding the importance of studying exomoons, the benefits and challenges, potential exomoon candidates, how exomoons can teach us about finding life beyond Earth, and advice for upcoming students who wish to pursue studying exomoons. Therefore, what is the importance of studying exomoons?

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Europe Has Big Plans for Saturn’s Moon Enceladus

A false-colour image of the plumes erupting from Enceladus. Image Credit: NASA/ESA
A false-colour image of the plumes erupting from Enceladus. Image Credit: NASA/ESA

Saturn’s moon, Enceladus, is a gleaming beacon that captivates our intellectual curiosity. Its clean, icy surface makes it one of the most reflective objects in the entire Solar System. But it’s what’s below that ice that really gets scientists excited.

Under its icy shell is an ocean of warm, salty water, and the ESA says investigating the moon should be a top priority.

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These are the Best Places to Search for Habitable Exomoons

An artist's conception of a potentially-habitable exomoon. It seems reasonable that exoplanets have exomoons, and now we're going to look for them. Credit: NASA

Our Solar System contains eight planets and more than 200 moons. The large majority of those moons have no chance of being habitable, but some of them—Europa and Enceladus, for example—are strong candidates in the search for life.

Is it the same in other solar systems?

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