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As Nasa Perseverance completes a year on Mars, a look at milestones achieved

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As Nasa Perseverance completes a year on Mars, a look at milestones achieved

NASA’s Perseverance rover completed a full Earth year on Mars after its successful landing on February 19, 2021. On the red planet, the rover has accomplished many firsts on its ambitious to-do list: collecting the first rocky cores from another planet; serving as a base station for an Ingenuity helicopter; extracting oxygen from the thin Martian air ; and set a driving record.

Last year, the one-ton rover landed in Mars’ Jezero Crater after traveling nearly 300 million miles in seven months. The landing is just the beginning of the first leg of an ambitious mission to see if life exists on Mars. NASA scientists have determined that Jezero Crater is an ancient lake bed that formed billions of years ago. The rover was sent to collect rocks from the crater and bring the samples back to Earth for future missions.

So far, the Perseverance rover has collected six core samples from Mars, with two more to be collected in the coming weeks. Scientists expect the rocks could provide a key chronology for the formation of Jezero Crater and the age of the lake that once stood there.

The rover was not only an important base station for Ingenuity, the first helicopter on Mars, but also tested the first prototype of an oxygen generator called MOXIE (Mars Oxygen In Situ Resource Utilization Experiment) on the Red Planet.

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Perseverance recently broke the record for the longest distance traveled by a rover on Mars in a single day on February 14, which was nearly 320 meters. She ran the entire drive using self-driving software that allows the rover to find its own path over rocks and other obstacles.

Complete News Source : Hindustan Times

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Patterns of behaviour that emerge after trauma

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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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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.
  6. 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.
  7. 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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