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This is an important field of study due to the potential catastrophic consequences of an asteroid impact, which could cause significant damage and loss of life. The Wikipedia page on asteroid impact avoidance provides an overview of the various strategies and approaches that scientists and researchers have developed to detect, track, and potentially divert asteroids that pose a threat to Earth. These methods include both passive and active approaches. Passive approaches involve early detection and tracking of Near-Earth Objects (NEOs) and other asteroids, which allows scientists to predict their future path and determine if they pose a risk. This is done using ground-based telescopes and radar systems, as well as space-based observatories. The data collected provides crucial information for assessing the threat level and planning potential mitigation strategies. Active approaches, on the other hand, aim to actively alter the course of an asteroid to prevent a collision. These methods typically involve spacecraft missions designed to orbit around, land on, or deflect the trajectory of an asteroid. Examples include the use of kinetic impactors to change an asteroid's path by colliding with it, or the deployment of gravity tractors that use a spacecraft's gravitational pull to slowly alter the asteroid's orbit. The Wikipedia page also discusses the international collaboration and coordination efforts among various space agencies, such as NASA and the European Space Agency, to develop a global network for detecting and tracking potentially hazardous asteroids. It also highlights ongoing research and initiatives, such as the development of new technologies and the planning of hypothetical asteroid deflection missions. In addition, the page provides information on notable near-miss events and historical asteroid impacts, such as the Tunguska event in 1908 and the Chelyabinsk meteor in 2013, which serve as reminders of the potential danger asteroids pose to our planet. Overall, the Wikipedia page on asteroid impact avoidance serves as a comprehensive resource for understanding the measures being taken to protect Earth from a possible asteroid impact, highlighting both the progress made so far and the challenges that lie ahead.