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Charon

Solar System

How Did Pluto's Moons Form?

A massive collision with Pluto’s moon Charon could have formed the dwarf planet’s collection of smaller moons.

New Horizon

Citizen Science: Projects & Collaboration

New Horizons' "Alien View" from the Outer Solar System

NASA's New Horizons mission deep in the Kuiper Belt has measured the parallax to two nearby stars with the help of Earth-based observers.

Pluto atmosphere

Astronomy in Space with David Dickinson

Did Pluto Harbor an Ancient Subsurface Ocean?

New studies shed light on the early years of Pluto's formation, and whether it ever hosted a subsurface ocean.

New Horizon

Astronomy in Space with David Dickinson

New Horizons Recruits Amateurs to Sight Stars

The New Horizons team wants you to help measure the distance to two stars, yielding the longest-ever baseline measurement of a key cosmic yardstick.

Beating heart on Pluto

Solar System

Pluto's Icy Heart "Beats," Driving Planet-Scale Winds

New computer simulations suggest that the "beating" of Pluto's frozen heart drives weak winds on this remote world in the outer solar system.

Crater-counting on Charon

Solar System

Pluto and Charon Are Missing Small Craters

Scientists studying New Horizons images of craters on Pluto and its moon Charon have found that the Kuiper Belt must contain fewer small objects than expected — which suggests the outer solar system hasn’t changed much since its earliest days.

Ultima Thule in color

Solar System

Initial Results from the Ultima Thule Flyby

NASA's New Horizons made history when it flew by "Ultima Thule" on New Year's Day, but the science return is only beginning. Here's the latest from mission principal investigator Alan Stern.

Ultima Thule (art)

Solar System

New Horizons: Ultima Thule is Dead Ahead

Ultima Thule, the next target for the New Horizons mission, is getting ever bigger within the spacecraft's sights. Alan Stern brings us the latest update on preparations for the New Year's Day flyby.

Illustration of New Horizons flying by Ultima Thule

Spacecraft and Space Missions

Planning the New Horizons Exploration of Ultima Thule

Alan Stern, principal investigator of NASA's New Horizons mission, gives a detailed preview of what the spacecraft will be doing in the days up to, during, and after the impending flyby of the Kuiper Belt Object 2014 MU69.

Illustration of New Horizons flying past 2014 MU69

Spacecraft and Space Missions

New Horizons On Approach to the First Exploration of a Kuiper Belt Object

Take a look behind the scenes as the New Horizons team gears up for the historic first flyby of a body in the remote Kuiper Belt, in this first of a four-part series from the mission's Principal Investigator Alan Stern.

dunes on pluto

Spacecraft and Space Missions

Dunes on Pluto

Planetary scientists think they’ve found wind-built ripples of methane ice on the king of the Kuiper Belt.

Solar System

Does New Horizons’ Target Have a Moon? (Update: Nope)

New analysis from the New Horizons team suggest that the spacecraft's next target in the Kuiper Belt might have a third companion.

NEAF Talks

Alan Stern: The Exploration of Pluto

Alan Stern discusses the New Horizons flyby of Pluto in July 2015 and what ongoing analysis continues to reveal about this fascinating world.

Sputnik Planum on Pluto

Spacecraft and Space Missions

The Frozen Plain of Pluto

New images from NASA's New Horizons spacecraft reveal an ice-covered plain on Pluto that looks remarkably young and fresh.

Charon close-up from July 13

Spacecraft and Space Missions

Pluto and Charon Dazzle with Diversity

In a mission filled with surprises, New Horizons spacecraft has left its scientists awed by the array of landforms and compositions found on Pluto and Charon.

Pluto's heart, July 13th

Solar System

New Horizons Scans Pluto as Earth Awaits

New Horizons flew past Pluto and its moons earlier today, but the spacecraft stayed out of contact with Earth while finishing its historic observations.

Pluto's heart, July 13th

Spacecraft and Space Missions

New Horizons Buzzes Pluto

NASA’s New Horizons spacecraft whizzed by Pluto this morning just before 8 a.m. EDT at nearly 14 km/s (31,000 mph), about 12,500 km (7,750 miles) above the surface.

Pluto-Charon in color on July 8, 2015

Solar System

Pluto and Charon: The Odd Couple

With just one day remaining until New Horizons makes its historic flyby, missions scientists are amazed by the views of Pluto and Charon already in hand.

Solar System

Glimpsing Pluto’s Curious Equator

Here’s a taste of what New Horizons hopes to resolve when it passes by Pluto next Tuesday, July 14th.

Would Pluto's surface look like this?

Spacecraft and Space Missions

It's Always "Pluto Time" Somewhere

Sunlight on Pluto is only a thousandth as strong as it is here on Earth. With careful timing, you can experience what it'd be like to stand on Pluto at noon.

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