... Ciel Espace, le magazine qui vous guide toujours plus loin . ... Ciel Espace, nouvelle formule, c'est . des actualitГїs . ... les plus belles images de l'Univers dГїcryptГїes pour vous . ... des conseils pour dГїbuter et pratiquer l'astronomie . des pages consacrГїes Г la publication de vos photos Mais c'est aussi une vraie communautГї avec laquelle partager votre passion et nourrir votre curiositГї. Accueil Lire/Voir/Ecouter Lire/Voire/Ecouter . ... A la une . ... Lire/Voir/Ecouter . ...

... xmmtrack . ... xmmtrack is an interactive IDL application that visualizes the orbit and attitude data in an ODF in the form of a 3-D animation sequence. The presented scenery includes an astronomically accurate simulation of the Earth-Sun system plus the actual and predicted trajectory of the XMM satellite on its path around the Earth. ... Please note: XMM's orbit is highly time variable and the predicted orbit will significantly deviate from the actual trajectory if the reference epochs differ. ...

Bishop School and the . Everyday Classroom Tools . Project . This year, nine of the Bishop teachers volunteered to be a part of the Spirit of Inquiry curriculum designed by the Smithsonian Astrophysical Observatory's Everyday Classroom Tools project. Participating teachers are from all grades represented at Bishop school. Linda Cohn -- ACE Resource Teacher . ... Article in the January 5th edition of the Boston Globe about Bishop School and the Everyday Classroom Tools Project . ...

... Moon Phase below . ... ARTICLE: Why the moon always shows us the same face . ... Before you continue reading, you should know that this was not always the case, i.e. the Moon once was rotating with respect to the Earth, so that on every night a terrestrial observer (if there was one, because this was long, long before mankind appeared on our planet, and even before any major animals had appeared) saw another face of the Moon. ... Figure 1 (not to scale) shows how we can imagine the system Earth-Moon...