Here's how planets get their colors
NASA/GSFC/Solar Dynamics Observatory
These days, we're used to seeing pictures of planets sent back by spacecraft. Some pictures look colourful, others less so. But do they show what each planet really looks like?
The short answer to this is "sometimes," because some planets are genuinely quite colourful. Others are surfaced by rock that is almost entirely grey, and if you come across a picture of these looking colourful you can be pretty sure that the image has been manipulated in some way. Читать дальше...