P2o3 is <span>diphosphorus trioxide.
Add water and you get phosphoric acid</span>
1. it is difficult to search for it . Because infrared rays will never penetrate through earth atmosphere.
2. we are unaware of how it looks like and we only know it is red and will glow . A damaged star also looks like this.
3. Dust also makes is hard to detect Dyson spheres . So we will get confused between Dyson sphere and a star surrounded by dust.
Explanation:
d frequency I learned it last year
Theyre all in constant motion
