#Rainbow comet with a heart of sponge
“#Rainbow comet with a heart of sponge” Credit: ESA/Rosetta/Philae/CONSERT A permeable heart with a hardened facade—the resting place of Rosetta’s lander on Comet 67P/Churyumov-Gerasimenko is revealing more about the interior of the “rubber duck” shaped-body looping around the Sun. A recent study suggests that the comet’s interior is more porous than the material near the…