The objects that are of moderate energy, like our sun or most of the stars that we see in the night sky with the naked eye, are objects in which relatively moderate energy processes are taking place.

Claude Nicollier (born 2 September 1944 in Vevey Switzerland) is the first astronaut from Switzerland and has flown on four Space Shuttle missions. He took part in two servicing missions to the Hubble Space Telescope (called STS-61 and STS-103). Nicollier retired from ESA in April 2007.