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.
1. Top speed. While in orbit, the space shuttle travels around Earth at a speed of about 17,500 miles (28,000 kilometers) per hour. At this speed, the crew can see a sunrise or sunset every 45 minutes. [ 10 Amazing Space Shuttle Photos ].