The Meeting of Jupiter and Saturn... A 400-Year Space Show
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[Asia Economy Reporter Kang Nahum] A "space show" in which Jupiter and Saturn come closest in about 400 years took place on the 21st.
According to the Gwacheon National Science Museum and others, the distance between Jupiter and Saturn as observed from Earth on that day appeared to be the closest in 397 years since 1623.
The next great conjunction is expected in 2080. If this opportunity is missed, one would have to wait 60 years to see it again.
The Gwacheon National Science Museum broadcast the great conjunction of the two planets live online. No offline observation events were held to prevent the spread of the novel coronavirus infection (COVID-19).
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The orbital periods of Jupiter and Saturn are 11.9 years and 29.5 years, respectively. Due to the difference in these orbital periods, the two planets come close in the sky approximately every 19.9 years. However, the degree to which they appear overlapped varies depending on the difference in the inclination of their orbital planes and the relative position of Earth. Also, when arranged in the order of Jupiter-Saturn-Sun-Earth, observation is difficult due to sunlight.
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