Astronomers have Discovered the Most Distant PLANET ever observed in our Solar System

Share it:

The most-distant solar system object ever observed: 'Farout' pink dwarf planet more than 120 times farther than Earth is from the Sun could shed new light on Planet X.

Nicknamed 'Farout', the new object was announced by the International Astronomical Union's Minor Planet Center and has been given the provisional designation 2018 VG18.

It is about 120 astronomical units (AU), where 1 AU is defined as the distance between the Earth and the Sun, and the first known Solar System object detected at a distance of more than 100 times farther than Earth is from the Sun.

 Nicknamed 'Farout', the new object was announced by the International Astronomical Union's Minor Planet Center and has been given the provisional designation 2018 VG18. Its brightness suggests that it is about 500 km in diameter, likely making it spherical in shape and a dwarf planet. It has a pinkish hue, a color generally associated with ice-rich objects.





'All that we currently know about 2018 VG18 is its extreme distance from the Sun, its approximate diameter, and its color,' said the University of Hawaii's David Tholen.

Its brightness suggests that it is about 310 miles in diameter, likely making it spherical in shape and a dwarf planet.

It has a pinkish hue, a color generally associated with ice-rich objects, the researchers say.

'Because 2018 VG18 is so distant, it orbits very slowly, likely taking more than 1,000 years to take one trip around the Sun.'

The discovery images of 2018 VG18 were taken at the Japanese Subaru 8-meter telescope located atop Mauna Kea in Hawaii on November 10, 2018.

The second-most-distant observed Solar System object is Eris, at about 96 AU.

Pluto is currently at about 34 AU, making 2018 VG18 more than three-and-a-half times more distant than the Solar System's most-famous dwarf planet.





 It is about 120 astronomical units (AU), where 1 AU is defined as the distance between the Earth and the Sun, and the first known Solar System object detected at a distance of more than 100 times farther than Earth is from the Sun.

It is about 120 astronomical units (AU), where 1 AU is defined as the distance between the Earth and the Sun, and the first known Solar System object detected at a distance of more than 100 times farther than Earth is from the Sun.

The discovery was made by Carnegie's Scott S. Sheppard, the University of Hawaii's David Tholen, and Northern Arizona University's Chad Trujillo.

2018 VG18 was discovered as part of the team's continuing search for extremely distant Solar System objects, including the suspected Planet X, which is sometimes also called Planet 9.

The team doesn't know 2018 VG18's orbit very well yet, so they have not been able to determine if it shows signs of being shaped by Planet X.

'2018 VG18 is much more distant and slower moving than any other observed Solar System object, so it will take a few years to fully determine its orbit,' said Sheppard.

'But it was found in a similar location on the sky to the other known extreme Solar System objects, suggesting it might have the same type of orbit that most of them do.

'The orbital similarities shown by many of the known small, distant Solar System bodies was the catalyst for our original assertion that there is a distant, massive planet at several hundred AU shepherding these smaller objects.'

2018 VG18 was seen for the second time in early December at the Magellan telescope at Carnegie's Las Campanas Observatory in Chile.

These recovery observations were performed by the team with the addition of graduate student Will Oldroyd of Northern Arizona University.

Over the next week, they monitored 2018 VG18 with the Magellan telescope to secure its path across the sky and obtain its basic physical properties such as brightness and color.

 Discovery images of 2018 VG18, nicknamed "Farout," from the Subaru Telescope on Nov. 10, 2018. Farout moves between the two discovery images while the background stars and galaxies do not move over the one hour between images.

Discovery images of 2018 VG18, nicknamed "Farout," from the Subaru Telescope on Nov. 10, 2018. Farout moves between the two discovery images while the background stars and galaxies do not move over the one hour between images.

Share it:

Astronomy

Planet Nine

Solar system

space

Post A Comment:

0 comments: