Category: Observations

Observations

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 ...

The Next Step in Exoplanetary Science: Imaging New Worlds

In 2003, I was lucky enough to be part of a small group of astronomers that met at the University of California at Berkeley to brainstorm on an innovative idea: the design of an instrument to image and characterize planets ...

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 ...

The French Pyrénées becomes the second-largest international dark sky reserve in the world

Adapted from  IDA press release http://www.darksky.org TUCSON, AZ, AND TOULOUSE, FRANCE, 19 December 2013 – The International Dark-Sky Association (IDA) announced today the designation of the first International Dark Sky Place in France. In naming the Pic du Midi International Dark Sky Reserve (IDSR), IDA is pleased ...

New ET Detection Method Calls for World’s Largest Telescope

THE FOLLOWING ITEM WAS ISSUED BY ASTRONOMY MAGAZINE IN WAUKESHA, WISCONSIN, AND IS POSTED ON MY BLOG FOR YOUR INFORMATION. 29 May 2013  This release is based on a story in the June 2013 issue of Astronomy magazine: http://www.astronomy.com/~/media/Files/PDF/Magazine%20articles/ET-with-infrared-light.pdf Until recently, one of the ...

An update on the Siding Spring Observatory

A short followup of my post sent last night with a good news through an official announcement by the Australian National University  posted today. In a nutshell, no telescopes have suffered major damages from the bush fire, but the astronomer's lodge, the ...

Another fireball on Jupiter?

An amateur astronomer reported the visual detection of a fireball on Jupiter at 11:35 UT (September 10 2012) last night. It was confirmed on a video recorded from Texas. This is the 6th impact of Jupiter detected so far. Astronomer Dan ...

Venus Transit: From San Francisco in 2012 to Mars in 2030

If you read this blog, I am certain that you are aware of the Venus Transit which occurred  from  22:09 UTC on 5 June 2012 to 04:49 UTC on 6 June (3:09pm to 8:49pm PDT). Because this astronomical event was visible from North America, Europe, and part ...

An ELT made of cardboard in your garden?

I am calling myself a Planetary Astronomer, essentially because I use ground-based telescopes to study our solar system bodies. Even if I often write posts on this blog  about the wonderful results brought to us by space missions, space stations ...

An Occultation by the double asteroid (90) Antiope seen in California

Last Tuesday July 19 at 3:25am PDT, several SETI REU students and colleagues from SETI institute and Observatoire de Paris were on the road. They were looking at the sky with  tiny telescopes and surrounding by complex instruments somewhere ...