Loading…
Loading content
Loading…
Loading contentMonitoring stars that change in brightness and reporting careful estimates over months and years. Coordinated by organisations like the AAVSO, amateur variable-star observers build long-term light curves that professionals rely on — one of the clearest cases of amateurs doing lasting science.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.