Portal:Solar System/Did you know/14

• ... that with the diameter of 715 km (444 mi) Rembrandt (pictured) is the second largest impact crater on Mercury?

• ...that the European and Japanese collaborative BepiColombo mission is planned to be the first extensive mission to Mercury since Mariner 10? (Computer rendition of the BepiColombo orbiters)

• ... that the Valhalla structure (pictured) on Jupiter's moon Callisto is the largest multi-ring basin in the Solar System?

• ... that Frank J. Low, an infrared astronomy pioneer, used data from an infrared telescope flown on a Learjet to show that planets Jupiter and Saturn generate and emit internal energy into space?