The WMO only acknowledges wind speed data from instruments like anemometers because it's a physical measurement of wind ... were measured with devices that use estimates or calculations, so ...
A coronagraph is an instrument that blocks out harsh light ... researchers with details on the temperature and speed of the solar wind via special filters. A typical solar coronagraph can observe ...
We're about to learn more about the solar wind, thanks to NASA's newly launched Coronal Diagnostic Experiment (CODEX). CODEX is a solar coronagraph that arrived at the International Space Station (ISS ...
Ole Rømer was able to measure the speed of light by observing eclipses ... interferometer (a very basic version of the instrument used today in LIGO facilities), Michelson could not find evidence ...