new horizons arrokoth

Apparently the two lobes once orbited each other, like many so-called binary worlds in the Kuiper Belt, until something brought them together in a "gentle" merger. New Horizons NASA's Mission to Pluto and the Kuiper Belt, This composite image of the primordial contact binary Kuiper Belt object 2014 MU69 (officially named Arrokoth) was compiled from data obtained by NASA's New Horizons spacecraft as it flew by the object on Jan. 1, 2019. “There are five different lines of evidence for cloud collapse,” he says, all pointing to the gentler formation theory. Researchers from the New Horizons’ team presented their latest findings, based on a trove of new data from the spacecraft, Feb. 13 at the annual meeting of the American Association for the Advancement of Science in Seattle. That's likely caused by compounds called tholins. Your email address is used to log in and will not be shared or sold.

Early data from New Horizons last year hinted at a gentle crash between the two lobes that make up Arrokoth, evidence for the collision theory of solar system formation. (Credit: NASA/Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute), A view of 2014 MU69 (aka Arrokoth) from New Horizons, showing craters and intriguing hints of layering. Primitive objects, known as planetesimals, like Arrokoth are thought to be the building blocks of the planets in our solar system.

"Just as anthropologists want to understand the origins of civilisation," he said, "we planetary scientists want to understand how planets came to be, because they're the basis for which life exists across the galaxy.". "The most important single discovery that's reported here is a decisive breakthrough in our understanding of the early stages of planet formation," Dr Stern said.

Arrokoth — named after a Native American word meaning "sky" in the Powhatan/Algonquian language — is the farthest object in the solar system we've ever visited. One side backed the so-called hierarchical accretion model, where dust grains collided to form pebbles, which formed rocks, then boulders, and finally large bodies in a long and violent game of bumper cars. “I believe this is a game changer.”. Stern says that unless the spacecraft malfunctions, it can continue collecting data until the late 2030s. Dr Stern also hopes to go deeper into the Kuiper Belt and explore many more of these objects in more detail. All rights reserved. Privacy Notice/Legal Disclaimer, The Johns Hopkins University Applied Physics Laboratory.

It is the farthest object to ever receive a flyby from an Earthly spacecraft, taking New Horizons 13 years to reach it.

The detail revealed a smooth surface, relatively unmarred by craters.
But spacecraft managers sorted the data from highest priority to low, so it’s unlikely that information yet to be downlinked will dramatically change the picture.



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