The concept of a planet being "enemy" is not a scientifically recognized term. Planets are celestial bodies that orbit stars, and they do not have the capacity to be hostile or friendly.
However, the question might be referencing:
- Fictional portrayals of planets: In science fiction and fantasy, planets are often depicted as having sentient populations or unique characteristics that could be perceived as hostile. For example, the planet Tatooine in the Star Wars universe is a harsh and unforgiving desert world.
- The concept of planetary alignment: Some believe that the alignment of planets can influence events on Earth, leading to negative outcomes. This is based on astrology, which is not a scientifically recognized field.
It's important to remember that planets are natural entities that operate according to the laws of physics. They do not possess emotions or intentions, and the concept of a planet being "enemy" is purely metaphorical or fictional.