... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit†йs . ... des pages consacr†йes †а la publication de vos photos Mais c'est aussi une vraie communaut†й avec laquelle partager votre passion et nourrir votre curiosit†й. Accueil Un iceberg g†йant se d†йtache du Groenland . ... Dans le nord du Groenland, un bloc de glace de plus de deux fois la taille de Paris s'est d†йtach†й d'un glacier polaire, le glacier Petermann, situ†й †а environ 1000 km au sud du P†‡le Nord. ...

... Solar System . ... Sun . ... Comets . ... Some get thrown out of the solar system forever, whereas others end up on yet smaller orbits, visiting the inner solar system fairly frequently - such as comet Halley. ... When a comet moves into the inner solar system, this is heated by the Sun, and the ices turn into gas which forms the head or coma of the comet, which may be hundreds of thousands of kilometres across and visible from Earth. The most striking part of many active comets is the tail . ...

... On February 9, 1986, the most famous comet of all time will make the closest approach to the Sun in its current 76-year trip around our star. ... Why is the comet named Halley ? Is Comet Halley on target for its rendezvous with the inner solar system? ... These comets then move around the solar system in huge elongated orbits, which means they spend most of their time far away from the Sun. ... The coma and tail of a comet, indicated on a photograph of Halley's Comet taken on May 8, 1910. ...

... Behemoth black hole found in an unlikely place . Gravitational wave search provides insights into galaxy evolution and mergers . ... Missing black holes found . A new study of galaxies has unmasked hundreds of black holes hiding deep inside dusty galaxies billions of light-years away. ... For instance, astronomers have learned that most massive galaxies steadily build up their stars and black holes simultaneously until they get too big and their black holes suppress star formation. ...

Educator's Guide to Kitchen Comets . ... When a comet nucleus is gravitationally drawn into the inner solar system it begins to heat up. ... You can make an accurate model of a comet nucleus easily and inexpensively. ... Dry Ice (5 lbs) available from ice companies or ice cream parlors; CAUTION: Dry ice is -79 degrees C (-110 degrees F). ... Water, ammonia, organic (carbon based) molecules, and silicates are all present on comet nuclei. ... Observe the behavior of your miniature comet nucleus. ...

16th of June 2015 . ASKAP HI imaging of the galaxy group IC 1459 . ... One of these observations was aimed at studying the distribution of neutral hydrogen (HI) gas in the galaxy group IC 1459. ... HI found outside galaxies in this group amounts to at least 10% of the HI contained inside galaxies. This suggests a substantial flow of gas in and out of galaxies during the several billion years of the group's evolution. ... today * ATNF | ... ASKAP | ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Space Flight . ... Rockets . ... Weird and Fun . ... By admin July 1, 2011 Posted in: Armagh Planetarium . ... During the summer months fun workshops will be on offer such as rocket launching . ... Make the trip to Armagh Planetarium this summer, it?s the next best thing to a trip into space! ... Our usual fun space related activities will be running on this final weekend of the summer, a great way to end the summer holidays! ...

Scientific Role of the James Webb Space Telescope in "New Worlds, New Horizons" H. B. Hammel, G. Rieke, and the James Webb Space Telescope Science Working Group 1 September 2010 Abstract: The sixth decadal survey from the astronomy and astrophysics community, New Worlds, New Horizons in Astronomy and Astrophysics, identifies three science themes for the next decade: Cosmic Dawn, New Worlds, and Physics of the Universe. ... NWNH, Page 1-3 The search for life around other stars is a multi-stage process. ...

Previous Editions of the M111: . ... The Christmas Star - Fact Or Fiction? ... Any time you have something you'd like to offer - be it a story of how you first got started in astronomy, a star party you just attended, a telescope you just bought, or your favorite constellation, just drop me a line with the story included and I'll be sure to get it posted! ... First and foremost, I'd like to thank everyone who took the time to vote on this year's board and officer elections both in person and by proxy. ...