FP trendMay 25, 2021 15:03:18 IST
A comet is made up of gas, rocks, and dust that orbit the Sun. Unlike most circular orbits on planets, comets have one-sided orbits. They are the greatest attraction for astronomers in the world. They can have a short orbital span of 2 to 3 to 70,000 years. Researchers conducted a meteor shower survey and found that meteor showers could be detected from fragments of cometary pathways that pass near Earth’s orbit and are known to return once every 4,000 years. Did.
This new study was carried out by the Search for Extraterrestrial Intelligence (SETI) Institute. journal Icarus..
The unprocessed image of NASA’s Parker Solar Probe from the WISPR instrument shows Comet NEOWISE as of July 5, 2020, shortly after it was closest to the Sun. Representative image.Image: NASA Goddard
Space rock that penetrates the Earth’s atmosphere is a meteor. Due to the resistance of the air, it gets hot when it falls toward the earth and is called a “shooting star”.When multiple meteors move in the atmosphere at the same time, we call it a meteor shower, NASA. I will explain..
Jenniskens, who currently leads the camera for the Allsky Meteor Surveillance (CAMS) project, uses a low-light video security camera to detect meteors in the night sky. He finds the direction in which comet debris enters the Earth’s atmosphere, and cameras are of great help in measuring their routes and orbits.
The number of triangular meteors has increased significantly in recent years due to new research networks created in Australia, Namibia and Chile. The entry of these countries has helped us find better images of meteor showers in the night sky.
Researchers have discovered at least nine new coincidences and six potential coincidences between meteor showers and long-period comets.according to report Along Space.comThis study looks for comets that cause anomalous meteor showers caused by the debris of Comet C / 1846 J1 Brorsen and Comet C / 1979 Y1 Bradfield, respectively, such as Sigma Virginids in December and Pegasids in July.
“Until recently, we knew only five long-period comets, one parent of the meteor shower, but now we have identified nine more, perhaps as many as fifteen comets.” confirm Jennis Kens.
“In the future, more observations may allow us to detect darker showers and track the orbit of the parent comet in longer orbits,” he added.
Long-period comets have an orbital period of more than 200 years and their orbits are very elliptical.
Comets make up a small part of what affects the Earth, but history shows that it can cause some of the greatest damage.
Recently, the Eta Aquarid Meteor Shower was held from May 5th to 6th and May 2nd to 21st. The Perseids meteor shower will occur from August 12 to 13, 2021 and will be visible from India.
Research finds that even rare, 4000-year-old comets can cause meteor showers on Earth-Technology News, Firstpost
Source link Research finds that even rare, 4000-year-old comets can cause meteor showers on Earth-Technology News, Firstpost
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