Chad Trujillo – Astronomy Now

2 March 2021

Latest News

[ 1 March 2021 ] Evidence grows for pulsar at the heart of famed supernova remnant News
[ 26 February 2021 ] Juno mission extended, will now study Jupiter’s moons and rings News
[ 22 February 2021 ] Video provides thrilling bird’s eye view of Mars landing News
[ 19 February 2021 ] Perseverance Mars rover lands on Mars, beams back dramatic photos News
[ 16 February 2021 ] The case for, and against, the still-unseen Planet 9 News

Evidence for an impact event on main-belt asteroid Griseldis

13 November 2015 Astronomy Now

The main-belt asteroid (493) Griseldis, that lies between the orbits of Mars and Jupiter, was probably hit by another object last March. The results were reported on 12 November at the 47th Annual Meeting of the Division for Planetary Sciences of the American Astronomical Society near Washington, DC.

Newly discovered dwarf planet is solar system’s most distant object

12 November 2015 Astronomy Now

Astronomers have found a dwarf planet three times farther away from the Sun than Pluto, making it the most distant known object in the solar system. Designated V774104, the body is 500 to 1000 kilometres in diameter and is currently 15.4 billion kilometres, or 103 astronomical units (AU) from the Sun, but its exact orbit is yet to be determined.