I've seen the same planet colored differently in different photos. Here are the true colors of major planets to the best of my knowledge (spacecraft photos appearing in the media often have false coloration): Mercury: grey; Mercury has practically no atmosphere, so we just see the rocky surface.
Sitting for hours can cause poor circulation which is a major cause of the heavy legs syndrome and if there no underlying medical condition and the feeling worsens when walking upstairs, then curiously enough, you might like to look at your diet for clues.
Common causes of leg pain. Some of the more common causes of leg pain are minor or temporary conditions that your doctor can treat effectively. Cramps. A primary cause of leg pain is a muscle cramp or spasm thatâs often known as âa charley horse.â A cramp usually triggers sudden, sharp pain as the leg muscles contract. The tightening muscles often form a visible, hard lump beneath the skin. There may be some redness and swelling in the surrounding area.