Enceladus Life Finder

Enceladus Life Finder
Name	Enceladus Life Finder
Mission type	Astrobiology
Operator	NASA and European Space Agency

Enceladus Life Finder is a proposed spacecraft mission that aims to search for biosignatures in the plume of Enceladus, a moon of Saturn. The mission is a collaboration between NASA, the European Space Agency, and other international partners, including the Canadian Space Agency and the Italian Space Agency. The Enceladus Life Finder mission builds upon the discoveries made by the Cassini-Huygens mission, which revealed the presence of a subsurface ocean beneath Enceladus' icy crust, and the Hubble Space Telescope, which detected water vapor and organic compounds in the moon's plume. The mission's objectives are aligned with the NASA Astrobiology program and the European Space Agency's Cosmic Vision program.

Introduction

The Enceladus Life Finder mission is part of a broader effort to explore the outer Solar System and search for life beyond Earth. The mission's target, Enceladus, is a small, icy moon that orbits Saturn and is thought to have a liquid water ocean beneath its surface, making it a potential habitat for microbial life. The NASA Jet Propulsion Laboratory and the European Space Agency's European Space Research and Technology Centre are working together to develop the mission's concept and design, with input from scientists at the University of California, Berkeley, the Massachusetts Institute of Technology, and the University of Oxford. The mission's development is also informed by research conducted by the National Science Foundation, the National Institutes of Health, and the Simons Foundation.

Mission_Objective

The primary objective of the Enceladus Life Finder mission is to determine whether Enceladus' subsurface ocean supports life, and if so, to characterize the biosignatures present in the moon's plume. The mission will focus on detecting biomarkers such as amino acids, sugars, and other organic compounds that are indicative of biological activity, using techniques developed by researchers at the California Institute of Technology, the University of Cambridge, and the Max Planck Institute for Astronomy. The mission will also investigate the geochemistry of Enceladus' ocean and the hydrothermal processes that occur at the moon's seafloor, which are thought to be similar to those found at hydrothermal vents on Earth, such as the East Pacific Rise and the Mid-Atlantic Ridge. The mission's findings will be compared to those from other astrobiology missions, such as the Mars 2020 mission and the Europa Clipper mission, which are exploring the potential for life on Mars and Jupiter's moon Europa.

Spacecraft_Design

The Enceladus Life Finder spacecraft is designed to be a flyby mission, with a spacecraft that will fly through Enceladus' plume and collect samples of the water vapor and particulates present. The spacecraft will be equipped with a mass spectrometer and other scientific instruments developed by researchers at the University of Colorado Boulder, the University of Michigan, and the Johns Hopkins University Applied Physics Laboratory. The spacecraft's design is based on the NASA New Frontiers program's New Horizons mission, which flew by Pluto in 2015, and the European Space Agency's Rosetta mission, which orbited Comet 67P/Churyumov-Gerasimenko from 2014 to 2016. The spacecraft will be launched on a SpaceX Falcon 9 rocket or a United Launch Alliance Atlas V rocket, and will travel to Saturn's orbit using a gravity assist from Venus or Mars.

Scientific_Instruments

The Enceladus Life Finder spacecraft will be equipped with a range of scientific instruments designed to detect biosignatures and study the geochemistry of Enceladus' ocean. These instruments will include a mass spectrometer developed by researchers at the University of California, Los Angeles, a gas chromatograph developed by researchers at the University of Texas at Austin, and a camera system developed by researchers at the University of Arizona. The spacecraft will also carry a laser-induced breakdown spectroscopy (LIBS) instrument developed by researchers at the Los Alamos National Laboratory, which will be used to analyze the chemical composition of the plume's particulates. The mission's instrument suite will be similar to those used on other astrobiology missions, such as the Curiosity Rover and the Perseverance Rover, which are exploring the surface of Mars.

Mission_Timeline

The Enceladus Life Finder mission is currently in the concept study phase, with a planned launch date in the late 2020s or early 2030s. The mission will take approximately 7-10 years to reach Saturn's orbit, depending on the specific trajectory and launch window. Once in orbit, the spacecraft will conduct a series of flybys of Enceladus, collecting data and samples from the moon's plume. The mission's duration is expected to be around 2-3 years, with the possibility of an extended mission if the spacecraft remains operational. The mission's timeline is coordinated with other NASA and European Space Agency missions, such as the Artemis program and the JUICE mission, which are exploring the Moon and the Jupiter system.

Expected_Outcomes

The Enceladus Life Finder mission is expected to provide significant insights into the potential for life on Enceladus and the astrobiology of the outer Solar System. The mission's findings will be used to inform future astrobiology missions, such as the Dragonfly mission, which will explore Saturn's moon Titan in the mid-2020s. The mission's results will also be compared to those from other astrobiology missions, such as the Mars 2020 mission and the Europa Clipper mission, which are exploring the potential for life on Mars and Jupiter's moon Europa. The Enceladus Life Finder mission has the potential to be a major breakthrough in the search for life beyond Earth, and will contribute to our understanding of the origin of life and the possibility of life on other planets and moons in our Solar System and beyond.

Category:Astrobiology