Quiescent volcanic activity on Io in November 2010

On the first half-nights of November 29 and 30 UT, telescope time with the W.M. Keck II telescope and its Adaptive Optics (AO) was granted to us. The goal of this observation program was to search and study multiple asteroids. Since Jupiter was close to its opposition and observable at the beginning of the night, we spent a short amount of time to observe Io, innermost Galilean satellite of Jupiter, well-known for its exotic and spectacular volcanism.

Happy Earth Day 2010 – Earth"Spheres" from Space

The Moon and the Atmosphere of Earth
The Moon and the Atmosphere of Earth

Today is the 40th Earth Day, a great opportunity to remind us that our planet is unique and should be taken care of. Each of us can help by small actions which could save energy, water and other resources. Recent studies clearly indicate that we, our society and our way of life, are having an impact on our planet. The emission of carbon dioxide due to human activities which is increasing the temperature, the so-called global warming, is one of them. The massive extinction of animal and planet species or the biodiversity loss should not be forgotten, since it will also have an impact on our civilization. This problem is taken seriously by the biologists and the year 2010 is the International Year of Biodiversity.