World News – AU – Don’t miss it: Jupiter, Saturn will look like a double planet for the first time since the Middle Ages

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Shortly after sunset on the evening of the 21st. December 2020, Jupiter and Saturn will appear closer to each other in the night sky of the earth than before.

« Alignments between these two planets are rather rare and occur about every 20 years. This conjunction is exceptionally rare, however, as the planets are close together, « said Patrick Hartigan, Rice University astronomer. « You would have to go by shortly before sunrise on the 4th. Go back March 1226 to see closer alignment between these objects visible in the night sky. ”

Jupiter and Saturn have been approaching earth in the sky since summer. From 16. until 25. By December the two will be separated by less than the diameter of a full moon.

A view showing the Jupiter-Saturn conjunction appearing in a telescope pointing at the western horizon at 6 p.m.. m. CST, Jan.. December 2020. The image is adapted from graphics by the open source planetarium software Stellarium. Credit: This work, « jupsat1 », was adapted by Patrick Hartigan from Stellarium and used under GPL-2. 0 and provided under CC BY 4. 0 courtesy of Patrick Hartigan

« On the evening of the closest rapprochement on 21. December they will look like a double planet separated by only 1/5 the diameter of the full moon, « said Hartigan, professor of physics and astronomy. “For most telescope viewers, every planet and several of its largest moons will be visible in the same field of view that evening. ”

Although the best viewing conditions are near the equator, the event can be observed anywhere on earth when the weather is nice. Hartigan said the planetary duo would appear low in the western sky for about an hour each evening after sunset.

« The further north a viewer is, the less time they will have to peek at the conjunction before the planets sink below the horizon, » he said. Fortunately, the planets are bright enough to be viewed at dusk, which can be the best time for many U to see. S.. . Spectators to observe the conjunction.

« For example, when the sky in Houston is completely dark, the conjunction is only 9 degrees above the horizon, » Hartigan said. “To see that would be manageable if the weather cooperates and you have a clear view to the southwest. ”

But an hour after sunset, people looking up at the sky in New York or London will find the planets even closer to the horizon, around 7. 5 degrees and 5. 3 degrees each. Spectators there and at similar latitudes would do well to catch a glimpse of the rare astronomical sight as soon as possible after sunset, he said.

Those who prefer to see Jupiter and Saturn this close together and higher in the night sky must be by age 15. March 2080, Hartigan said. After that, the couple will not appear like this until some time after the year 2400.

The universe is consuming and growing. Just like any other living being. Hence the universe lives. A living being. The civilization of the universe is like a virus to a person. In a sense, everything is connected to everything. Remember it.

Sorry, but it will be summer solstice for half the world. A mistake that I think should go beyond a science journalist,

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Jupiter, Saturn, planet, double planet, earth

World news – AU – Don’t miss it: Jupiter, Saturn will look like a double planet for the first time since the Middle Ages

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