What Are Enumerated Types? Topics

Name Description

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An aircraft is a machine that is able to fly by gaining support from the air,...

International Space Station

The International Space Station is a space station, or a habitable artificial...

Human spaceflight

Human spaceflight is space travel with a crew aboard the spacecraft. When a...


The sea, the world ocean, or simply the ocean, is the connected body of salty...


A ship is a large buoyant watercraft. Ships are generally distinguished from...


In the context of spaceflight, a satellite is an artificial object which has...

Low Earth orbit

A low Earth orbit is an orbit around Earth with an altitude between 160...

Robotic spacecraft

A robotic spacecraft is a spacecraft with no humans on board, usually under...


A sinkhole, also known as a sink, sink-hole, shakehole, swallet, swallow hole,...


In topography, a summit is a point on a surface that is higher in elevation than...


In aeronautics, a balloon is an unpowered aerostat, which remains aloft or...

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What are Properties? Properties

Property ID Expected Type Description

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Telescopes based on this /astronomy/telescope_platform/telescopes_based_on_this /astronomy/telescope

Telescopes that are based on this feature, type of craft, or region.

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What are Included Types? Included Types

This type doesn't have any included types.

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Incoming Properties

Originating Type Property
Operational platform