An astronomer discovers a small moon around the largest planet in the solar system

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Hao’s astronomer has discovered a previously unknown moon around Jupiter, following a detailed study of ancient images of the planet taken through a ground-based telescope, and Kai Li said in the Sky and Telescope report detailing the discovery: ” I am proud to say that this is the first planetary moon discovered by an amateur astronomer.”

According to RT, there may be dozens or even hundreds of undiscovered moons orbiting Jupiter. This massive planet has a large gravitational field that allows it to pick up space debris in its orbit. Jupiter currently hosts at least 79 moons and the number continues to grow.

This discovery is added to the Karm group of Jovian (Jupiter) satellites, and the Karm group is known as strange small space rocks, moving in the opposite direction of Jupiter’s rotation, and the group travels around Jupiter at an extreme inclination relative to the giant planet’s orbital plane, according to NASA.

Karem is the largest moon in the group, with an average radius of 14 miles, and the space rock was discovered in July 1938 by astronomer Seth Barnes Nicholson at the Mount Wilson Observatory. Karem is also the mother of the group, giving it its name, and the group includes 22 known moons.

Astronomers believe that Karem was an asteroid captured by Jupiter’s gravity, and that its cluster is the pieces separated from it after a cosmic collision.

Li made his new discovery when he searched online in a 2003 dataset collected by researchers at the University of Hawaii using the 3.6-meter Canada-France-Hawaii Telescope, or CFHT for short.

He paid special attention to the photos he collected in February of that year, when the moons were at their peak.

This happened because of a phenomenon known as opposition, when the sun and a particular planet appear in opposite parts of the Earth’s sky.

Our home planet was on the midline between the Sun and Jupiter in February 2003, allowing astronomers on Earth to clearly see the starlit Jupiter system.

Li used observations from another telescope called “Subaru” to pinpoint the body’s arc over 22 days, showing that the candidate moon is most likely related to Jupiter’s gravity. This baseline allowed him to find and confirm the moon’s presence, along with other data sets.

This stone is currently identified as EJc0061, but has no official name yet, and when it does, it will likely end with the letter e like Carme.

NASA officials explained that choosing a name that ends with the letter e is consistent with the International Astronomical Union’s policy of designating outermost satellites with retrograde orbits.


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