Astronomers using the Dark Energy Camera (DECam) on the Víctor M. Blanco 4-m telescope at Cerro Tololo Inter-American Observatory have discovered two...
3200 Phaethon, one of the largest potentially hazardous asteroids, rotates once every 3.6 hours, and that rotation period is decreasing by about 4 milliseconds...
An intermediate-sized asteroid discovered sixteen years ago will fly safely past Earth on February 4, 2018 at 4:30 p.m. EST (1:30 p.m. PST, 21:30 UTC).
This...
A sequence of radar images of the near-Earth asteroid (3200) Phaethon was obtained in December 2017 by astronomers using the NASA-funded planetary radar...