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Asteroid's Close Earth Pass: Nature's Grand Experiment
12 Oct
Summary
- Apophis will pass 32,000 km from Earth in April 2029.
- A Russian mission aims to study its composition and evolution.
- The close approach offers a unique natural experiment for scientists.
In April 2029, the asteroid Apophis, approximately 350 meters in diameter, will pass a mere 32,000 kilometers from Earth's surface. This close encounter, while posing no danger, is set to be a unique event for scientific observation.
Moscow State University has initiated a mission to Apophis, which researchers believe could yield fundamentally new insights into the asteroid's composition and evolutionary history. A key instrument planned for the mission is a gamma spectrometer, designed to remotely determine the elemental makeup of the asteroid's material.
Scientists are eager to study the effects of Earth's gravitational field on Apophis and its surface during this unprecedentedly close flyby. The approach is being described as a remarkable natural experiment, with international missions like NASA's OSIRIS-APEX and ESA's RAMSES also scheduled to observe the asteroid.