![Megawatt-Class Lasers from Earth Could Attract Alien Astronomers, Says New Study | Astronomy | Sci-News.com Megawatt-Class Lasers from Earth Could Attract Alien Astronomers, Says New Study | Astronomy | Sci-News.com](https://cdn.sci.news/images/enlarge5/image_6591e-Megawatt-Class-Laser.jpg)
Megawatt-Class Lasers from Earth Could Attract Alien Astronomers, Says New Study | Astronomy | Sci-News.com
![The most powerful laser guide star system in the world sees first light at the Paranal Observatory | ESO The most powerful laser guide star system in the world sees first light at the Paranal Observatory | ESO](http://cdn.eso.org/images/screen/eso1613l.jpg)
The most powerful laser guide star system in the world sees first light at the Paranal Observatory | ESO
![Amazon.com: Green Laser Pointer High Power Long Range Rechargeable Lazer Pointer, Laser Pointer Pen with Star Cap Adjustable Focus Suitable, Laser Flashlight for Dogs Astronomy Presentations Hiking : Office Products Amazon.com: Green Laser Pointer High Power Long Range Rechargeable Lazer Pointer, Laser Pointer Pen with Star Cap Adjustable Focus Suitable, Laser Flashlight for Dogs Astronomy Presentations Hiking : Office Products](https://m.media-amazon.com/images/I/71HFAFwG2VL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Green Laser Pointer High Power Long Range Rechargeable Lazer Pointer, Laser Pointer Pen with Star Cap Adjustable Focus Suitable, Laser Flashlight for Dogs Astronomy Presentations Hiking : Office Products
![Japan astronomers believe green lights seen over Hawaii are lasers from Chinese satellite | South China Morning Post Japan astronomers believe green lights seen over Hawaii are lasers from Chinese satellite | South China Morning Post](https://cdn.i-scmp.com/sites/default/files/styles/landscape_250_99/public/d8/images/canvas/2023/02/11/8ad472f5-342a-4736-acd4-33ed48ef0fea_d250e021.jpg?itok=njXlzCHA&v=1676100220)
Japan astronomers believe green lights seen over Hawaii are lasers from Chinese satellite | South China Morning Post
![Astronomy - Optical telescopes alignment, qualification of laser guide star and DFM | Phasics - Phasics Astronomy - Optical telescopes alignment, qualification of laser guide star and DFM | Phasics - Phasics](https://www.phasics.com/media/cache/cd/3a/cd3a1d6c38828f7fb00e2caf6b12d31f.webp)