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New Horizons

Side-by-side images of irregularly shaped gray/brown rocks in space.
Posted inNews

Pluto’s Small Moons Are Unlike Any Other

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 10 December 202410 December 2024

The strange blend of surface chemistry on Nix and Hydra raises big question about the evolution of the Pluto system.

Artist’s drawing of a rocky body among dust and dots of light with a bright star in the background
Posted inNews

Another Ring of Objects Might Exist in the Outer Solar System

by Jonathan O’Callaghan 29 October 202429 October 2024

A search for a new target for NASA’s New Horizons spacecraft suggests that space beyond the Kuiper Belt could be an unexpectedly crowded place.

Three images of two-lobed Arrokoth in varying clarity and color.
Posted inNews

A Sugar Coating for Arrokoth

by Jonathan O’Callaghan 10 July 202410 July 2024

A Kuiper Belt object might contain ribose and glucose on its surface—the same elements that could have seeded life on Earth.

A red object with two lobes connected by a thin neck.
Posted inNews

Arrokoth’s Mounds Hint at How Planetesimals Form

Javier Barbuzano, Science Writer by Javier Barbuzano 17 November 202317 November 2023

The most remote world ever seen up close is a mash-up of smaller pieces.

Image of Arrokoth showing the main geological features as well as total surface acceleration.
Posted inEditors' Highlights

A Glimpse at Planet Formation at the Dawn of the Solar System

by Matthias Grott 22 June 202221 December 2022

The low density of Kuiper Belt Object Arrokoth sheds light on the formation of planetesimals in the early solar system.

On the left: a view of Pluto, as imaged by the New Horizons spacecraft. On the right: a close-up of an undulating region believed to have been formed by volcanoes that erupted icy material.
Posted inNews

Pluto’s Surface Was Recently Sculpted by Icy Volcanism

Katherine Kornei, Science Writer by Katherine Kornei 2 May 202217 February 2023

Geologically young regions of Pluto’s southern hemisphere were likely resurfaced by cryovolcanism, data from the New Horizons spacecraft reveal.

Figure showing the zonal winds in the upper atmosphere of Pluto as a function of season for three Pluto years.
Posted inEditors' Highlights

Capturing Pluto’s Heartbeat in a Computer

by Anni Määttänen 8 April 202017 February 2023

Unprecedented global climate model simulations, incorporating observational data from the New Horizons mission, reveal atmospheric circulations driven by a large ice cap on Pluto.

Detail of craters on Pluto’s moon Charon
Posted inNews

Pluto’s and Charon’s Craters Reveal a Solar System Deficit

Katherine Kornei, Science Writer by Katherine Kornei 1 March 20196 January 2023

The New Horizons spacecraft recorded images of craters that imply an unexpected dearth of small objects in the Kuiper Belt.

2014 MU69 as imaged by the New Horizons spacecraft
Posted inNews

New Horizons Sends First Looks of 2014 MU69

Kimberly M. S. Cartier, News Writing and Production Intern for Eos.org by Kimberly M. S. Cartier 4 January 20196 January 2023

Explore 10 things scientists have already learned about the most distant object visited by a spacecraft from Earth.

Artist’s conception of Ultima Thule
Posted inNews

New Horizons Spacecraft to Reach Farthest Body in Solar System Yet

Jenessa Duncombe, Staff Writer by Jenessa Duncombe 28 December 20186 January 2023

The flyby of Ultima Thule on New Year’s Day will give us our first glimpse of a mysterious Kuiper Belt object.

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