... Nous l'avons passИ au crible sur le terrain et sur notre banc optique. ... Il ne reste plus qu'Ю brancher la raquette Autostar pour que le LX 90 soit prЙt Ю l'emploi. ... Mais celle-ci n'est pas des plus explicites et les premiers pas avec la "bЙte" seront Ю coup sШr hИsitants pour qui n'est pas habituИ Ю ce type de systХme. ... NИanmoins, pour ne pas se ruiner en piles, il est prИfИrable d'opter pour des accus, une batterie ou encore une alimentation sur secteur (non fournie). ...

... Traditionally a local observer offsets the telescope using a handpaddle control, nudging the telescope in small steps. ... When using a rotating field of view, the user sees and can move the "boresight", the center of rotation of the field of view on the instrument. ... The object position is actually defined as the position of the sky at the boresight. ... The graphical offsetter implements an offset by changing the object offset and boresight position but not the sky orientation. ...

... Science Fiction with Good Astronomy . ... Black Holes: An Introductory Resource List . ... Anderson, Poul "Kyrie" in Jerry Pournelle, ed. Black Holes. ... Explores the distortion of time near a black hole. ... An ancient intelligent black hole comes to our solar system. ... Advanced races use black holes to bear with the loneliness of a universe in which life is still rare. ... Haunting story combining episodes from the life of Karl Schwarzschild and black hole images. back to topic list . ...

... Tonight's Sky . ... Sky this Month . ... solar system . ... Sky this Week . ... Deflector shields" protect the lunar surface . ... It has long been thought that the swirls were a result of magnetic shielding of the lunar surface from the solar wind, but nobody understood how the relatively weak magnetic fields associated with lunar swirls could sufficiently protect the Moon's surface over hundreds of millions of years to prevent surface darkening and produce such finely detailed patterns. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Solar System . ... Space Flight . ... The Future . ... Science Fiction . ... Written by Warren Ellis and illustrated by Chris Weston and published by Image Comics in 2004, the book is a graphic novel (a posh comic aimed at adults) set in a 2001 where Britain dominates the Solar System. The story is told from the viewpoint of the elderly Sir John Dashwood, mastermind of the British space program, jumping between 2001 and flashbacks to his past. ...

Blackholes2 Forum Message . Forums: . ... Discussion Forums | ... Post . ... It Does Not Accelerate- It Has No Mass . Forum List | ... Post Message | ... Posted by Richard Ruquist on November 18, 2002 01:42:37 UTC . Light already goes at the speed of light. ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Astrophysics Group . Astronomers . Software for Astrophysics . ... Bambi . BayesX . ... The following software packages have been developed by members of the Cavendish Astrophysics Group, and are made available here: . Bambi Blind Accelerated Multimodal Bayesian Inference code. BayesX Bayesian Inference of X-ray Observations of Galaxy Clusters . ... 2013, Astrophysics Group, Cavendish Laboratory, JJ Thomson Avenue, Cambridge, CB3 0HE . ...

... 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...