Science
Nasa captures image of mid-level flare erupting from Sun on Jan 20
NASA’s Solar Dynamics Observatory on Thursday captured an image of the sun emitting a mid-level solar flare that peaked at 1.01am EST (11.31am IST). Solar flares are powerful bursts of electromagnetic radiation that can last from minutes to hours. NASA classifies the flare as an M5.5-class flare, a moderately severe X-ray flare.
“The sun launched a mid-level solar flare on January 20, 2022, peaking at 1:01 a.m. EST,” NASA said.
While harmful radiation from a flare cannot pass through Earth’s atmosphere to physically affect humans on the ground, when it is intense, it can affect radio communications, power grids, navigation signals, and pose a risk to spacecraft and astronauts. According to NASA, increased levels of X-ray and extreme ultraviolet radiation have caused ionization in the lower layer of the ionosphere on the sunlit side of Earth.
When a sufficiently strong solar flare occurs, radio waves interacting with electrons in the ionosphere lose energy due to more frequent collisions in the dense environment in the lower layers of the ionosphere. This can lead to degradation and complete absorption of the HF radio signal, resulting in radio blackouts. Usually associated with sunspot groups. As these magnetic fields develop, they reach unstable levels and release energy in various forms. These include electromagnetic radiation observed in the form of solar flares,” NOAA’s Space Weather Prediction Center said on its website.
Complete News Source : Hindustan Times
health and remedies
Patterns of behaviour that emerge after trauma
Trauma is a deeply distressing or disturbing experience that can leave a lasting impact on a person’s mental and emotional health. It can result from a range of events, such as natural disasters, accidents, physical or emotional abuse, or military combat. Trauma can have a significant effect on a person’s behavior and can manifest in various ways. Here are some patterns of behavior that often emerge after trauma:
- Hyperarousal: After experiencing trauma, a person may feel constantly on edge, with heightened levels of anxiety and tension. This can manifest as irritability, restlessness, and difficulty sleeping.
- Avoidance: Trauma can also cause a person to avoid situations, people, or places that remind them of the traumatic experience. This can lead to social withdrawal, isolation, and a loss of interest in previously enjoyable activities.
- Emotional numbness: Trauma can cause a person to feel emotionally disconnected or numb, making it difficult for them to experience positive emotions such as joy or love.
- Hypervigilance: A person who has experienced trauma may be hyper-aware of their surroundings and perceive threats where none exist. This can lead to an increased sense of danger, which can trigger anxiety or panic attacks.
- Flashbacks: Trauma can cause a person to experience vivid and intrusive memories of the traumatic event. These flashbacks can be triggered by a range of stimuli, such as sights, sounds, or smells.
- Guilt and shame: Trauma can cause a person to experience feelings of guilt, shame, and self-blame. They may feel responsible for what happened to them, even when it was beyond their control.
- Substance abuse: Trauma can lead to the use of drugs or alcohol as a way of coping with difficult emotions. This can quickly become a self-destructive pattern of behavior that exacerbates the trauma.
It’s important to note that not everyone who experiences trauma will display all of these behaviors, and that each person’s response to trauma is unique. However, recognizing these patterns of behavior can help individuals and their loved ones identify when trauma may be a contributing factor to mental and emotional health challenges. Seeking professional support, such as therapy or counseling, can help individuals process their trauma and learn healthy coping mechanisms to manage their behavior.
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