# UFO, UAP, and the unknown

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Field note 03 · THE FIELD GUIDE

A short guide to the language—and why an unexplained observation isn’t an explanation.

## Start with the words

UFO means unidentified flying object. NASA uses UAP for unidentified anomalous phenomena: observations that cannot be identified as aircraft or known natural phenomena with the available information. Both terms describe an identification problem. Neither word means alien.

## Better questions need better data

NASA’s 2023 independent study focused on how to improve the scientific study of UAP. Its emphasis was on collecting useful data, applying scientific methods, and making reporting more systematic. Better measurements are more valuable than simply collecting more dramatic stories.

## Read with curiosity and care

Ask who observed an event, when they recorded it, what the sensor measured, and whether the original material is available. Consider distance, perspective, weather, and the limits of a recording. You can take a witness seriously while leaving the cause uncertain. An honest “we don’t know” is a valid result.

## Follow the paper trail

- [NASA’s UAP research and independent study](<https://science.nasa.gov/uap/>) — NASA Science

[Next field note: Area 51: behind the mythology](<https://uap.fun/lore/area-51/>)