New Delhi:
NASA’s New Horizon spacecraft has detected its next flyby target, an icy world past Pluto, more than 160 million kilometres away and over four months ahead of its New Year’s 2019 close encounter. The New Horizons probe, which flew past Pluto in 2015, is set to encounter the Kuiper Belt object, referred to as 2014 MU69 — named Ultima Thule — on New Year’s Eve and New Year’s Day, 2019. Discovered in 2014, the object MU69 is more than 6.5 billion km from Earth.
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“The image field is extremely rich with background stars, which makes it difficult to detect faint objects,” Hal Weaver, New Horizons project scientist from the Johns Hopkins Applied Physics Laboratory in Maryland, US, said in a statement.
“It really is like finding a needle in a haystack. In these first images, Ultima appears only as a bump on the side of a background star that’s roughly 17 times brighter, but Ultima will be getting brighter and easier to see as the spacecraft gets closer.”
This marked the team’s first attempt to find Ultima with the spacecraft’s own cameras and that the object is very close to where scientists predicted.
The Ultima flyby will be the first-ever close-up exploration of a small Kuiper Belt object and the farthest exploration of any planetary body in history, shattering the record New Horizons itself set at Pluto in July 2015 by about 16 billion km, NASA said.
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“We now have Ultima in our sights from much farther out than once thought possible. We are on Ultima’s doorstep, and an amazing exploration awaits” said New Horizons Principal Investigator Alan Stern, from the Southwest Research Institute in Boulder, Colorado.
