Arrokoth

Planetesimals Are Buffeted by Wind in their Nebula, Throwing Debris into Space

Before planets form around a young star, the protosolar disk is populated with innumerable planetesimals. Over time, these planetesimals combine…

1 month ago

Arrokoth is Covered in Bizarre Mounds

When New Horizons flew past Arrokoth in 2019, it revealed close-up images of this enigmatic Kuiper Belt Object for the…

5 months ago

Pluto Team Updates Science From the Solar System’s Edge

Nearly eight years after its historic Pluto flyby, NASA's New Horizons probe is getting ready for another round of observations…

12 months ago

New Horizons is so Far From Earth That the Positions of the Stars Look a Little Different From its Perspective

From its current position in the Kuiper Belt, the New Horizons spacecraft recently conducted a parallax experiment that is not…

4 years ago

New Horizon’s Flyby Target 2014 MU69 Gets its Official Name: Arrokoth

The KBO formerly known as Ultima Thule (2014 MU69) has officially been named "Arrokoth", the traditional Powhatan-Algonquin language.

4 years ago