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Bookmark or Share- Satellites - National Air and Space MuseumA satellite is an object that is in orbit around an object in space of a larger size. Things such as the Earth's Moon or Pluto's Charon are natural satellites. Humans have also created artificial satellites—human-made machines and spacecraft in orbit around our Earth or other objects in our galaxy.
- Venus | National Air and Space MuseumEarth's natural satellite is the Moon, but many objects in our Solar System have multiple natural satellites. Humans have also created artificial satellites—human-made machines and spacecraft in orbit around our Earth or other objects in our galaxy.
- Applications Satellites | National Air and Space MuseumIn the tense years of the Cold War, such spacecraft (known as applications satellites) evolved down two separate paths: one devoted to national security needs, the other to civilian interests. Today, hundreds of civilian and military applications satellites ring the Earth, often operating side-by-side in orbit.
- Three Ways Satellites Help Us Understand Our EnvironmentGlobal Positioning System, or GPS as it is commonly known, is another way satellites help us monitor our evolving Earth—particularly when it comes to wildlife conservation. Monitoring devices equipped with GPS allow scientists to track the movement and migration of sharks, birds, elephants, and other animals.
- What Can You Really See From Space?A few non-military satellites can see objects down to about half the size of a car. Some military satellites can still see even smaller things. But that does not tell us the whole story. For most applications we need to see larger areas, which requires other satellites that observe at a different scale.
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