If you could see in infrared, this is what the sky might look like to you. NASA’s SPHEREx Observatory recently created this infrared map of the entire sky. The colors of this image represent different wavelengths of infrared light emitted by stars (blue, green, and white), hot hydrogen gas (blue), and cosmic dust (red). Image credit: NASA/JPL-Caltech.
New research suggests Europa may not have the geological activity needed for life. Calculations based on the icy moon’s size, the makeup of its rocky core, and the gravitational forces from Jupiter led a research team to conclude that Europa may lack the geological activity needed for subsurface habitability. NASA’s Europa Clipper mission, which is due to arrive at the Jupiter system in 2030, will collect data to help better understand the moon’s potential habitability.