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The Milky Way Collided With Another Galaxy In The Past And More Are Falling Towards It

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The Milky Way Collided With Another Galaxy In The Past And More Are Falling Towards It

A team of astronomers has concluded through their new study that the Milky Way evolved after merging with neighboring galaxies. Research conducted by experts at the Harvard-Smithsonian Center for Astrophysics (CfA), who even proposed that our Milky Way, after merging with two dwarf galaxies heading towards it, the Large Magellanic Cloud and the Small Magellanic Cloud, will Going through another evolutionary stage in the future.

Modern cosmological theories suggest that galaxies in our universe share a common evolutionary process in which they collide and merge with other systems. Experts, who published their findings in The Astrophysical Journal, say our Milky Way galaxy provides the clearest view of the theory.

The Milky Way underwent a merger billions of years ago
Billions of years ago, a dwarf galaxy collided and merged with the Milky Way, researchers using data from the Gaia spacecraft have revealed. Launched in 2013, the Gaia spacecraft was designed to create an accurate three-dimensional map of our galaxy by measuring only 1% (approximately) of the 100 billion stars. The astronomers reportedly combined the Gaia data with data from the 6.5m MMT telescope in Arizona used for the “H3 Sky Survey” of stars in the Milky Way. Combining data from both, astronomers concluded that the dwarf galaxy Gaia-Sausage-Enceladus (GSE) merged with the Milky Way about 8 to 10 billion years ago.

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Although experts thoroughly observed the dwarf galaxy’s stars, which are now intermingled with the Milky Way’s stars, they were unable to determine whether the GSE merged with the Milky Way after orbiting the Milky Way or just collided head-on.

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To determine exactly what happened, experts used Gaia’s observations and computer simulations to create a model of the early universe. According to the study, the model shows that the GSE galaxy, which contains 5 billion stars, is moving in the opposite direction to the Milky Way, rather than orbiting and gradually blending into it. The model also depicts that many of the Milky Way’s stars are about 13 billion years old and were once part of dwarf galaxies. In addition, the scientists concluded that nearly 20% of the Milky Way’s dark matter and 50% of the Milky Way’s current stellar halo is the contribution of the GSE.

Complete News Source : Republicworld.com

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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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