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TagEuropa (moon)

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Jupiter's moon Europa in front of the planet Jupiter

Why Scientists Think There Might Be Life on Europa

Jupiter’s moon Europa, somewhat smaller than Earth’s moon, may have surface water and organic chemicals, researchers say

Recent evidence suggests that Europa’s icy shell may have pockets of liquid water: “Because it’s closer to the surface, where you get interesting chemicals from space, other moons, and the volcanoes of Io, there’s a possibility that life has a shot if there are pockets of water in the shell,” says study author Dustin Schroeder, a geophysics expert at Stanford University in a statement. “If the mechanism we see in Greenland is how these things happen on Europa, it suggests there’s water everywhere.” Elizabeth Gamillo, “Europa’s Icy Shell May Be Habitable for Life” at Smithsonian Magazine (April 20, 2022) The paper is open access. NASA has noted the likely presence of organic chemicals as well: For Europa to be potentially Read More ›

jupiters-moon-europa-in-front-of-the-planet-jupiter-stockpack-adobe-stock.jpg
Jupiter's moon Europa in front of the planet Jupiter

Is Intelligent Life Found in Oceans Inside Planets and Moons?

The Ocean Planets Hypothesis is that intelligent beings may flourish in the interior oceans of the moons of gas giant planets — or within exoplanets — but they are trapped there

Readers will recall that last year, we were looking at science writer Matt Williams’s analysis of the various reasons that we do not see extraterrestrials except at the movies. (See the links below.) Last time out in November, we looked at the Transcension Hypothesis: The extraterrestrial intelligences exist—but after a Singularity, they became virtual intelligences, exploring inner space at an undetectably small scale. Williams has reported since then on some additional hypotheses so this week we look at a more conventional approach — the “Ocean Worlds” Hypothesis, that icy planets may have interior oceans that harbor life: To illustrate, there’s the search for life that is going on right now in the Solar System, which is almost entirely focused on Read More ›