Deep in the Stone Age, when the Neanderthals still lived on the side A wise manour ancestors could have focused on the green light of the night sky. Now that lightC/2022 E3 (ZTF) (familiare, the Green Comet)-is back
The Green Comet’s highly elliptical orbit means it will take a long time for it to pass Earth again — about 50,000 years to be specific. And if it repeats itself for 50,000 years, which it cannot.
Astronomers discovered the comet in March 2022 using the Samuel Oschin robotic telescope at the Zwicky Transient Facility. It passed perihelion (when it is closest to the Sun) on January 12.
Observers in the US can see the comet now through early Februarypower with the naked eye if you are in dark area intuitive, but your chance will be better using binoculars or a telescope. The comet is best seen in the early hours, according to NASA.
The comet will make its closest approach to our planet on February 2. Close approach will take it about 0.29 AU (about 27 million miles) from Earth; according to EarthSky.
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It is in a comet state the constellation Bootes near Hercules; EarthSky reports. (If you have been struggling to find the location of the comet, you can consult it handy interactive sky chart.) Comets The location makes it difficult for observers to see in the Southern Hemisphere. From a current position in the night sky, the chart’s path is projected past the Little Dipper, with it passing by Camelopards at the time of closest approach.
Comets glow by a combination of chemical composition and the sun. Comets passing close to the Sun are illuminated and heated by their own energy, causing the molecules on their surface to disappear and fluoresce. Comet heads glow green when they contain cyanogen or diatomic carbon; according to NASA.
A green comet can be as bright as 5 magnitude from Earth’s closest time; according to EarthSky. The lower the number, the brighter the object. The full moon the apparent magnitude is about -11; and the smallest objects seen through the Hubble Space Tube, about 30 magnitude according to Britannica. The darkest stars that our naked eye can see are around magnitude 6.
While the comet reaches a brightness of magnitude 5, it’ll It is probably useful to use a pair of binoculars or a telescope if you have difficulty spotting the object clear night
The incoming space rock is not only a recent green comet; in 2018, comet 46P/Wirtanen clear enough to see with the naked eye and in 2021Comet Leonard glowed green as a ball of ice made its cosmic trajectory.
So your nights will come to be peaceful birds. If you see something with a green glow, it’s likely our latest cosmic visitor.
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