![]() “It has no chance to hit the Earth, currently,” said Sheppard, noting that at present 2022 AP7 crosses the Earth’s orbit when the Earth is on the other side of the sun. ![]() When it was discovered in 2004, Apophis was identified as one of the most hazardous asteroids that could impact Earth. A group of experts from US and European space agencies attended a weeklong exercise. Asteroid 99942 Apophis is a near-Earth object (NEO) estimated to be about 1,100 feet (340 meters) across. While the finding of 2022 AP7 may bring to mind visions of the asteroid Armageddon depicted in the film Don’t Look Up, the study also offers reassurance. Scientists around the world have been bamboozled this week by a fictitious asteroid heading toward Earth. It would be a mass extinction event like hasn’t been seen on Earth in millions of years,” he said. scientists behind new research now say theyre confident that the asteroids total impact probability through 2300 is just 1 in 1,750 still very high. Previously, scientists believed gas giant planets needed to be much further. to conduct on an object that, without our intervention, would hit Earth. “The Earth’s surface would likely cool significantly from sunlight not getting to the planet. An AU, or astronomical unit, is the distance between Earth and the sun, or 92 million miles (148 million kilometers). Earth Science and Applications from Space: National Imperatives for the Next. ![]() This kind of computer model is relatively easy to create - the laws of gravity. It was eventually rediscovered half a century later, allowing scientists to make new calculations about the 1.3km asteroid A potentially close Earth approach on 16 March, 2880 was identified But. “Any asteroid over 1km in size is considered a planet killer,” said Sheppard, adding that should such an object strike Earth, the impact would be devastating to life as we know it, with dust and pollutants kicked up into the atmosphere, where they would linger for years. One is a model that figures out whether an asteroid is going to hit the earth. With a diameter of about 1.1km to 2.3km, the team say 2022 AP7 is the largest PHA discovered since 2014 and probably in the top 5% of the largest ever found. and social impacts, predictably hitting poorer countries the hardest. Writing in the Astronomical Journal, lead study author Scott Sheppard and colleagues at the Carnegie Institution for Science in Washington say they have found three “rather large” asteroids, one of which – 2022 AP7 – crosses the Earth’s orbit, making it a potentially hazardous asteroid (PHA). His current research is focused on the mathematics of planet Earth, in particular.
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