1200-foot asteroid to pass Earth today, says NASA; it is as big as the Empire State Building
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NASA tracks asteroids using a combination of ground-based and space-based telescopes. The NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS), scans the night sky for moving objects and reports any potential asteroid detections, while some space-based observatories use infrared sensors to detect asteroids and their characteristics. Some of these include the Wide-field Infrared Survey Explorer (WISE) and the NEOWISE mission. Using these advanced instruments, the space agency has revealed information about a 1200-foot Potentially Hazardous Asteroid that is set to pass Earth today. Know all about it.Asteroid 2019 HH4 detailsThe asteroid, designated Asteroid 2019 HH4, has intrigued scientists due to its colossal size. According to NASA, the asteroid is estimated to be r...