A rare green comet will be visible for the first time in 50,000 years

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Can be seen on February 1st without a telescope

A rare green comet will be visible for the first time once in 50 thousand years


Soledad CedroFrom Miami, Florida, United States

A rare green comet will be visible for the first time in 50,000 years

The bright comet was photographed by specialists in the field since the early days of 2023 (Twitter/@brennanmgilmore)

Something that happens once every 50 thousand years is already new in itself. If to the rarity of the phenomenon we add that it is an unusual green light in the sky, then the attention of a good part of the world is guaranteed.

A very rare green comet will return pay a visit to our solar system and can be seen directly from Earth in the coming weeks.

The comet is officially named C/2022 E3 (ZTF)< /b>, but is commonly known as the green comet. Due to its hue, it is probably not going to be as bright as other famous comets seen from our planet, such as Halley or Hale-Bopp.


“Comet brilliance is notoriously unpredictable, but by February 1st C/2022 E3 (ZTF) could be seen with the naked eye in dark night skies” , indicated from NASA in a blog.

With celestial phenomena there is never a guarantee that they can be seen as there are so many factors at play. But experts say that the best chances of seeing it will be in an area where there is no city light pollution (ie, an open field), at the time the sun goes down.< /p>

A rare green comet will be visible for the first time in 50,000 years

From NASA they are monitoring the phenomenon (REUTERS/Carlos Barria)

An expert on celestial phenomena on the BBC news network, he said that from cities, if it can be seen, the phenomenon would be faintly visible, as if someone had chalked the sky and passed finger expanding the particles.

The comet was discovered in March of last year by a group of astronomers who were analyzing images from a wide-spectrum camera at the Zwicky Transiet center, located on Mount Palomar in California. They saw it while it was in the orbit of Jupiter, about 650 million kilometers from the sun. Since then its transit has been towards the sun, arriving last Thursday at its closest point to the sun in what is known as perihelion. Its closest point to earth will be between February 1 and 2, dates in which it will be about 41 million kilometers from our planet. To be able to measure this, the moon is 379 thousand kilometers from the earth.

The particularity of this phenomenon is its color and the fact that it is a comet of those with long periods, which are those that take more than 200 years to orbit the sun.

Comets are a kind of cosmic snowball, with ice, gases ice, dust and rocks, ranging from a few kilometers in diameter, to hundreds of kilometers. The green color, in this particular comet, is due to its molecular composition that contains dicarbos and cyanogen, both chemical components that appear green when exposed to sunlight.< /p>

Although it can be seen from anywhere on the planet, experts estimate that it will be more likely to be seen clearly in the northern hemisphere. With binoculars it could be seen for most of January from the northern hemisphere.

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