Monday , April 19 2021

Ultima Thule renamed to avoid Nazi link – EarthSky,



The distant Kuiper Belt object formerly known as (MU) – later known as Ultima Thule – has been renamed again. Its new name is Arrokoth.





Ultima Thule looks like 2 snowballs stuck together. It is pockmarked with craters.

Here’s the object formerly known as MU 69 – then briefly as Ultima Thule – and now as Arrokoth. It’s roughly (miles) 30 km) long, or about 1 / 60 th the diameter of Pluto. Image via NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute /Spaceflight Insider. ****** Darn. Like many others, I had really liked the nameUltima Thulefor an object on the fringes of our solar system, the most distant object ever to be visited by an earthly spacecraft. The name is a mythological reference toa faraway, mysterious land, someplacedistant and cold. The craft that visited it was, of course, New Horizons, the same craft that gave us the amazing images of Pluto in 2015. Following its Pluto encounter, New Horizons was pushing on into the Kuiper Belt, aiming toward an object known originally as (MU) , when space scientists and the public decided it needed a new name. Shortly before the New Horizons encounter on January 1, 2019, they chose the name Ultima Thule. Then a reporter atNewsweekpointed out that the Nazi party had used the phrase Ultima Thule to refer to the mythical homeland of the Aryan people. The term apparently remains in use by modern so-called alt-right groups. Now the object has a new name yet again. The name is nowArrokoth, which meansskyin the Powhatan and Algonquian languages.

NASA held a naming ceremony in Washington D.C. yesterday (November 12, 2019), to give (MU) its new official name Arrokoth. The name was chosen based on the local Native American culture in Maryland, where the New Horizons mission control center is based.

A wealth of data from New Horizons ’encounter with Arrokoth is still being sent back from the spacecraft to Earth for analysis. Scientists used New Horizons ’cameras to glimpse its strange, double-lobed shape, indicating a possible gentle collision of two objects long ago. Arrokoth also appears to be covered in methane or nitrogen ice, giving it a red tinge.

Toward the end of 2019, around the time the name Ultima Thule came into use,Mark Showalter, a planetary astronomer at the SETI Institute and investigator on the New Horizons mission who led the naming process, had toldNewsweek (***************:

‘Beyond the limits of the known world’ – that’s such a beautiful metaphor for what we’re doing this year.

And so it was. But the association with Nazis and the alt-right apparently causedpush-back. Hence the name change.

I just read a wonderful book on the alt-right’s use of social media (Antisocial: Online Extremists, Techno -Utopians, and the Hijacking of the American Conversation, by Andrew Marantz). In it, he describes how the alt-right and white nationalist movements reject much of what mainstream media has to say as “lies.” They also have a huge disdain forpolitical correctness.

One can only imagine thealt-push-backgoing on in the alt-right media community today, given this name change.

Book cover of Antisocial.

If you’re interested at all in the alt -right and white nationalist movement in the US, “Antisocial” by Andrew Marantz – a writer for the New Yorker – is an excellent, mind-opening and very readable book.Here’s its page on Amazon. NPR’s Fresh Air interviewed Andrew Marantz yesterday.Listen to that interview here.

Bottom line: The Kuiper Belt object formerly known as (MU) – later known as Ultima Thule – has been renamed again.Its new name is Arrokoth.

EarthSky 2020 lunar calendars are available! They make great gifts. Order now. Going fast!            





Deborah Byrd





Deborah Byrd created the EarthSky radio series in 1991 and founded in 1994. Today, she serves as Editor-in-Chief of this website. She has won a galaxy of awards from the broadcasting and science communities, including having an asteroid named 3505 Byrd in her honor. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21 st century. “Being an EarthSky editor is like hosting a big global party for cool nature-lovers,” she says.









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