The VIIRS Day Night Band the night before an Eclipse
![](https://cimss.ssec.wisc.edu/satellite-blog/wp-content/uploads/sites/5/2024/04/NOAA20_DNB-20240408_071639_relabel.png)
For a solar eclipse to occur, the moon must be in between the Earth and the Sun. This occurs when the Moon is new — that is, when the side of the moon facing the Earth receives no solar illumination. The Day Night Band on Suomi-NPP, or NOAA-21, or NOAA-20... Read More