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Asteroid deflection technologies

Asteroid deflection technologies are methods and strategies developed to prevent potential impacts of asteroids with Earth. These technologies aim to alter the trajectory of an asteroid to ensure it does not collide with our planet Following the success of NASA's DART (Double Asteroid Redirection Test) mission, discussions about planetary defense and asteroid deflection strategies are increasingly prominent. Here are some principal methods and how they work: 1. Kinetic Impactor:    - How It Works: This method involves sending a spacecraft to collide with an asteroid at high speed. The impact changes the asteroid's velocity and trajectory, ideally enough to avoid a collision with Earth.    - Example: NASA's DART (Double Asteroid Redirection Test) mission successfully demonstrated this technique by impacting the moonlet Dimorphos in 2022. 2. Gravity Tractor:    - How It Works: A spacecraft positioned near an asteroid uses its gravitational pull to...
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Galaxies - Recent discoveries

Galaxies are vast collections of stars, gas, dust, and dark matter bound together by gravity. The Milky Way, our home galaxy, is just one of billions in the observable universe. Galaxies come in various shapes and sizes, including spiral, elliptical, and irregular formations. They evolve through processes such as mergers and interactions with other galaxies.
 In recent Discoveries related to galaxies; James Webb Space Telescope, this advanced telescope, launched in 2021, is providing unprecedented images and data, revealing the formation of the earliest galaxies.
   In addition, new techniques are allowing scientists to uncover more about the role of supermassive black holes in galaxy centers and their impact on galaxy formation and evolution.

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