8A50.85 - Neptune's Moons

Triton - surface features
Triton - surface features
Triton - what appears to be frozen lakes
Triton - what appears to be frozen lakes
Triton - plumes
Triton - plumes
Code Number:
Demo Title:
Neptune's Moons
Planets of the Solar System
Area of Study:
Solar System
Video and web images from the Voyager spacecraft mission. Liquid Nitrogen reservoir, 3/8 ID Tygon Vacuum tubing, Liquid Nitrogen, Gloves, Safety Glasses.

Images in order:

  • Triton - surface features
  • Triton - what appears to be frozen lakes
  • Triton - plumes

A liquid nitrogen geyser may be produced by inserting a piece of Tygon vaccum tubing into a reservoir of liquid nitrogen.  Gas and liquid will spew forth quite dramatically. 

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.