Waves have two main phases: the crest, which is the highest point of the wave, and the trough, which is the lowest point of the wave. The propagation velocity of a wave is the speed at which the wave travels through a medium. This velocity can be affected by the properties of the medium, such as its density and elasticity. In general, waves with higher frequencies and shorter wavelengths tend to have higher propagation velocities. **

Planetary phases refer to the different appearances of a planet as seen from Earth as it orbits the Sun. These phases are caused by the changing relative positions of the Sun, the planet, and the Earth. For example, Venus and Mercury exhibit phases similar to the Moon, with crescent, gibbous, and full phases. The inner planets, Mercury and Venus, can exhibit all phases, while the outer planets, such as Mars, Jupiter, and Saturn, exhibit only crescent and gibbous phases. **

Phases end when the specific goals or objectives associated with that phase have been achieved. This could be when a project milestone has been reached, a certain deliverable has been completed, or a specific set of tasks has been accomplished. It is important to clearly define the criteria for ending a phase in order to ensure that the project progresses smoothly and that resources are allocated effectively. Once the goals of a phase have been met, the project can then move on to the next phase. **

It is unclear what specific phases are being referred to in this question. If the question is asking whether two different stages or periods have clashed or come into conflict, then it would depend on the context in which the question is being asked. If the question is referring to scientific or technical phases, then more information would be needed to provide a specific answer. **

Horny phases refer to periods of increased sexual desire or arousal. These phases can be influenced by hormonal changes, emotional factors, or environmental stimuli. During a horny phase, individuals may experience heightened sexual thoughts, fantasies, and physical sensations. It is a natural and normal part of human sexuality, and can vary in intensity and duration from person to person. **

Anorectic phases refer to periods of time during which an individual experiences a loss of appetite or a decreased desire to eat. These phases can be associated with various medical conditions, such as depression, anxiety, or certain eating disorders. During anorectic phases, individuals may have difficulty maintaining a healthy weight and may experience physical and emotional symptoms related to malnutrition. It is important for individuals experiencing anorectic phases to seek medical and psychological support to address the underlying causes and to ensure proper nutrition and overall well-being. **

Yes, lovesickness can occur in phases. It often starts with feelings of infatuation and intense longing for the person you love. This can then progress to a period of sadness, despair, and obsessive thoughts about the relationship. Over time, these intense feelings may start to fade as you come to terms with the end of the relationship or find ways to move on. Each individual may experience lovesickness differently, but it is common for it to go through various phases as emotions evolve. **

Phases can be measured in various ways depending on the context. In the context of a project or process, phases can be measured by tracking the completion of specific milestones or deliverables. In the context of a wave or oscillation, phases can be measured in degrees or radians to indicate the position of the wave at a given time. In the context of a material's physical state, phases can be measured by observing changes in properties such as density, conductivity, or magnetization. Overall, measuring phases involves quantifying the progression or state of a system or phenomenon in a way that is relevant to the specific context. **