Category: Asteroids

Saying Hello to Pluto from San Francisco with the eVscope

Observing Report #2 – September 25, 2017 A few days ago we announced the direct imaging of Pluto through the eyepiece of a Unistellar eVscope prototype located in Marseille, France. To make sure that this was not a fluke, I decided ...

Seeing Pluto With Your Own Eyes From Your Backyard With Unistellar’s eVscope

One of the biggest challenges in popular astronomy is finding specific objects in the night sky. Most nebulae, galaxies, and asteroids are invisible to the naked eye, and locating them in the immense vastness of space has frustrated people for ...

The Triple Asteroid (87) Sylvia

Another beautiful simulation of the triple asteroid system (87) Sylvia and its two moons Romulus and Remus made in collaboration with the California Academy of Sciences. (87) Sylvia was discovered in 1866 by N.R. Pogson, a British astronomer located in Madras, ...

AGU Fall Meeting 2014: Solar System Small Bodies: Relics of Formation and New Worlds to Explore

Can you believe it is December already!? As usual, it is a busy month with the AGU Fall Conference.  I co-organized a session on small solar system bodies with Padma Yanamandra-Fisher (PSI)  and Julie Castillo (JPL).  We will talk about recent discoveries ...

Surprising discovery: a ring around an asteroid

Some may say that our universe is full of beauty, others argue that it is our solar system that surprises us the most, but ultimately I will say that it is the world of small solar system bodies which is ...

Asteroid Minerva finds its magical weapons in the sky

The International Astronomical Union has chosen the names Aegis and Gorgoneion for the two moons of the asteroid (93) Minerva.  My team discovered the small moons in 2009 using the W. M. Keck Telescope and its adaptive optics system. We ...

Everything you need to know about asteroids at the AGU Fall Meeting

It is this time of the year again... I am convening and chairing a session on Asteroids entitled "Characterizing Small Solar System Bodies" tomorrow Tuesday at the December 9th at AGU Fall Meeting. It will be composed of nine talks presented ...

How we collaborate with a group of amateur space sleuths to study the triple asteroid (87) Sylvia

I am back from the 45th annual Division of Planetary Sciences meeting in Denver, Colorado, where I presented my findings on the study of the triple asteroid system (87) Sylvia through a poster and in a press conference (video here). Located in the ...

The Russian Meteor and Lessons Learned on Meteor Impacts

Almost 12h after the event, it is time to gather my notes on the Russian meteor event (#RussianMeteor) and my thoughts on this impact and those which may come soon. What do we know? (I collected these pieces of information from numerous ...

China joined the interplanetary club by successfully imaging the asteroid Toutatis

This exceptional result was brought to my attention late on Friday evening, but it clearly deserves a short post on this blog. Chang'E 2, a chinese mission dedicated to the exploration of the moon was recycled to explore the Near-Earth ...