At first, the skin turns red in the area of the infection, and a tender lump develops. After four to seven days, the lump starts turning white as pus collects under the skin. If the infection spreads to the deeper tissues of the skin, then it becomes an abscess or furuncle.
The International Space Station cruises at about 17,500 mph. The International Space Station has an average elevation of about 220 miles when orbiting Earth. Every hour and a half, the International Space Station completes an orbit around Earth.
The ISS is NASA's micro-gravity laboratory orbiting the earth every 90 minutes at a speed of five miles-per-second and is only slightly larger than a football field, but weather permitting, will be flying low enough in its orbital pattern to be visible for a short time.