Light pollution is harming us all

If you have been reading this blog for a few years, you know it : I am very much interested in astronomy and even happen to practice it from time to time. But this is becoming harder and harder globally because of light pollution. But is light pollution really a pollution ? YES, as it… Continue reading Light pollution is harming us all

Animation : Borrowed light, by Olivia Huynh

The previous nights were the occasion to see the Perseid meteor shower. It was also the Nuits des Etoiles in France, where hundreds of events are organized to allow people to watch stars and (re)discover the sky and stars above our heads. As you perhaps know, I am quite an astronomy fan and I believe… Continue reading Animation : Borrowed light, by Olivia Huynh

Great astrophotographies – February 2011

I think this is a record of some sort as I am only publishing today my selection of astrophotographies for February… Anyway, here is my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). This month is a bit special as my favorite is a video : ” How big… Continue reading Great astrophotographies – February 2011

Great astrophotographies – January 2011

With some late – again – I would like to propose you my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, here is my selection of the best pictures of last month. Today’s picture : Sometimes it looks like the Sun is being viewed through a large… Continue reading Great astrophotographies – January 2011

Great astrophotographies – December 2010

With some late I would like to propose you my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, here is my selection of the best pictures of last month. Today’s picture : ” A big, bright, beautiful Full Moon slid into planet Earth’s shadow early Tuesday morning.… Continue reading Great astrophotographies – December 2010

Great astrophotographies – November 2010

This is time for me to present my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, here is my selection of the ten best pictures of last month. Today’s picture : ” On Reunion Island, it is known simply as “The Volcano.” To others, it is known… Continue reading Great astrophotographies – November 2010

Great astrophotographies – October 2010

This is time for me to present my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). This month was a bit special as I could only select ten of them. To the NASA, today’s picture : “Look closely at this surreal nightscape. In the dreamlike scene, star trails arc… Continue reading Great astrophotographies – October 2010

For many, the sky isn’t dark anymore

I already wrote a few articles on dark skies and light pollution. It seems the phenomenon is even worse as one can see with the image on left (courtesy of Stellarium, a great astronomy freeware) This also has an important impact on greenhouse gases emissions. In Australia alone, public lightning is responsible for 1.15 million… Continue reading For many, the sky isn’t dark anymore

Great astrophotographies – August 2010

This is time for me to present my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). This month was a bit special as I could only select eight of them. To the NASA, today’s picture : Storms on the distant horizon and comet dust raining through the heavens above… Continue reading Great astrophotographies – August 2010

Great astrophotographies – July 2010

This is time for me to present my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, this month was packed with beautiful images. It was difficult to select just ten. To the NASA, today’s picture : On July 11, after a long trek eastward across the southern Pacific… Continue reading Great astrophotographies – July 2010

Great astrophotographies – June 2010

This is time for me to present my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, this month was packed with beautiful images. It was difficult to select just ten. To the NASA, today’s picture : The full fisheye frame shows everything above the horizon, including a lamp-illuminated… Continue reading Great astrophotographies – June 2010

Great astrophotographies – May 2010

This is time for me to present my selection of the best pictures of the NASA’s Astronomy Picture of the Day (APOD). As always, this month was packed with beautiful images. It was difficult to select just ten. To the NASA, today’s picture : ” Flanked by two bright stars, Mu and Eta Geminorum, at the… Continue reading Great astrophotographies – May 2010