Satellites

---

• 

  Satellites

  Satellites are objects that have been launched into orbit around Earth. Strictly, they are called artificial satellites (or Earth satellites) to distinguish them from natural...

  view
• 

  Small satellites

  A small satellite, or smallsat, is an artificial satellite that weighs less than 500 kilograms (1100 lb). The number of smallsats launched has expanded rapidly in recent years...

  view
• 

  International Space Station

  Orbiting around 400 kilometres (250 miles) above Earth is the International Space Station (ISS), a large artificial satellite where a crew of astronauts live and work, carrying out...

  view
• 

  Space debris

  Space debris, also called space junk, is any artificial material that is orbiting Earth but which no longer has a useful function. The debris is made up from inactive satellites...

  view