Editing Laser (section)

=== Natural lasers ===

Like [[astrophysical maser]]s, irradiated planetary or stellar gases may amplify light producing a natural laser.<ref>{{cite news |last1=Chen |first1=Sophia |title=Alien Light |url=https://spie.org/news/photonics-focus/janfeb-2020/astrophysical-lasers?SSO=1 |access-date=9 February 2021 |work=[[SPIE]] |date=1 January 2020 |archive-date=April 14, 2021 |archive-url=https://web.archive.org/web/20210414143405/https://spie.org/news/photonics-focus/janfeb-2020/astrophysical-lasers?SSO=1 |url-status=live}}</ref>  [[Mars]],<ref>{{cite journal |last1=Mumma |first1=Michael J |title=Discovery of Natural Gain Amplification in the 10-Micrometer Carbon Dioxide Laser Bands on Mars: A Natural Laser |journal=[[Science (journal)|Science]] |date=3 April 1981 |volume=212 |issue=4490 |pages=45–49 |doi=10.1126/science.212.4490.45 |pmid=17747630 |bibcode=1981Sci...212...45M |url=https://www.science.org/doi/10.1126/science.212.4490.45 |access-date=February 9, 2021 |archive-date=February 17, 2022 |archive-url=https://web.archive.org/web/20220217063028/https://www.science.org/doi/10.1126/science.212.4490.45 |url-status=live}}</ref> [[Venus]], and [[MWC 349]] exhibit this phenomenon.