Euphrosyne articles
Deeper dives into Euphrosyne, sourced from NASA, JPL and the scientific literature.
The first asteroid found from North America
In 1854 the asteroid count passed 30 — and for the first time, a discovery came from the other side of the Atlantic.
Read →How a 4 km moon weighed Euphrosyne
The 2019 discovery of a tiny companion gave the first accurate mass — and a density that points to lots of ice.
Read →The Euphrosyne family: two thousand steeply tilted siblings
A collision about 280 million years ago scattered fragments that still share Euphrosyne’s orbit — and maybe left it a moon.
Read →