Astronomers at Princeton University have uncovered evidence that the outer solar system is more structured than long believed. Led by astrophysics doctoral student Amir Siraj, the research points to a ...
The trans-Neptunian object nicknamed Ammonite moves across the sky over several hours in May 2023. Its diameter is estimated to be between about 135 and 235 miles. NAOJ / ASIAA Astronomers have just ...
An artist's illustration of the view from a Kuiper Belt object. (CREDIT: NASA, ESA, and G. Bacon (STScI)) Astronomers at Princeton University have uncovered evidence that the outer solar system is ...