A large amount, up to 1,000 kilograms, falls on Earth every day from the remnants of asteroids, comets, and meteors, and these tiny remnants are called interplanetary dust, and scientists usually observe them with radars or optical telescopes, and recently researchers from the University of Tokyo, Japan reached a method that combines the two methods, and deepens observations as It depends on the size and composition of dust, thus improving our knowledge of space objects. They recently published their research in the Journal of Astronomical and Planetary Sciences.
“We observe them with ground radars and optical telescopes, and radars are useful in covering long areas and collecting many readings,” said Ryo Osawa, an astronomer at the University’s Astronomy Institute. “However, optical telescopes provide our studies with more detailed information.
Indeed, Osawa and his team were able to combine the capabilities of radar and visual observations, as they used the Kesu observatory and the middle and upper atmosphere radar facility. They are relatively close (173 km apart), and their proximity is important, because the convergence increases the interdependence between their data..
Then they developed software to process the enormous amount of data they collected and distinguish minute meteors, in a project that could help astronomers study space objects and the solar system with unprecedented assistance..
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