In addition, an electron reflectometer on the craft would help map the magnetic field at the moon's surface -- believed to be a "remnant field" left over from when the moon cooled -- by measuring the number of low-energy electrons trapped in that field.
What does ER stand for?
ER stands for Electron Reflectometer
This definition appears very frequently and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other definitions of ER
We have 64 other meanings of ER in our Acronym Attic
- Effective Roughness
- Efficiency Review
- Efficient Review
- Eleanor Rigby (Beatles song)
- Electoral Region (UK)
- Electrical Resistivity
- Electricity Report
- Electrolytic/Electrochemical Refining
- Electromagnetic Radiation (energy)