Science
It’s happening! Engineers to deploy covers that will protect James Webb Telescope from Sun, Earth, Moon
As the James Webb Space Telescope cruises in space, NASA engineers will perform the most challenging task-deploying sun visors. During the launch of the telescope, engineers have loosened and rolled up the sunshade to protect the thin layer.
The deployment of the cover takes about an hour. It requires the team to use electricity to activate the release device, execute the command to roll the cover to a fixed position, and expose the sunshade film to the space for the first time. After covering, the next step will be to deploy the middle arm of the sunshade before continuing to tighten the sunshade.
The team completed the deployment of momentum flaps on the tail of the observatory on Thursday, which will help reduce fuel consumption. Engineers will use fuel consumption throughout Weber’s life cycle to help keep the observatory’s direction in orbit. “When sunlight’s photons hit the surface of a large sun visor, they put pressure on the sun visor. If not properly balanced, this solar pressure will cause the observatory’s rotation and must be accommodated by its reaction wheels. The rear momentum flap will Continue to navigate the pressure of these photons, balance the sun visor and keep the observatory stable,” NASA said in a blog update.
Complete News Source : India Today
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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