... Canadian science journalist Dan Falk tackles the mystery of time in his recent book, In Search of Time: The Science of a Curious Dimension (St. Martin’s Press, 2008). ... Dan is currently spending the academic year here in Cambridge, where he is pursuing a Knight Science Journalism Fellowship at MIT for 2011-12. Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

... Go to This section of the glossary . ... APHELION : The point in a planet's orbit where it is farthest from the sun. ... It melts at 83.95 K, and boils at 87.45 K. Many people don't realize that argon makes up a full 1% of our atmosphere, while carbon dioxide is only a fraction of a percent of our atmosphere. ... COMET: An object moving about the sun in an eccentric orbit and composed of materials which, on warming up near the sun, form a "tail" which always points away from the sun. ...

Basics of one- fluid plasma description. Classic approach: forces acting upon conducting fluid. ... Magnetic Reynolds number. Magnetic field diffusion. Two- fluid plasma model. Dispersion of waves in plasma. Magnetic sound in two- fluid MHD. Oblique waves. ... Wave equation for Alfven waves in inhomogeneous plasma. ... Cusp Alfven waves. ... Surface waves in a plane geometry. Magnetosonic surface waves on field tubes. ... Plasma in strong magnetic field. ... Solar wind. ...

The Space Shuttle Discovery is pictured here docked to the Destiny laboratory of the International Space Station. It's going to be hard to top this mission," NASA Administrator Michael Griffin said. ... The crew got phone calls from two world leaders. ... Commander Eileen Collins and the crew of the STS-114 mission, Jim Kelly, Charlie Camarda, Wendy Lawrence, Steve Robinson, Andy Thomas and Soichi Noguchi of Japan, landed at Edwards Air Force Base, Calif., at 7:11 a.m. CDT on Aug. ...

... ARTICLE: Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis . ... John L. Dobson, der Erfinder des weltbekannten Dobsonteleskops und BegrЭnder der „Sidewalk Astronomers“ zu Beginn der 60er Jahre in San Francisco Эberraschte sein Publikum am vergangenen 14.September 2006 bei einem Vortrag in Saarlouis mit seinem direkten und unverblЭmten Stil. ... Hierzu braucht man Oeffnung, was Anfang der 60er Jahre im Amateurbereich fehlte. ... Ein aussergewЖhnlicher Abend mit John Dobson in Saarlouis . ...

... PUBLIC LECTURE - APRIL 12, 2016 . New Discoveries in the Outer Solar System: Ceres, Pluto and Planet X . ... Dr. Green will talk about "New Discoveries in the Outer Solar System: Ceres, Pluto, and Planet X". ... Beginning in 1992 planetary astronomers began to find Pluto like objects beyond the orbit of Neptune showing us that Pluto was a member of an entirely new family of objects we now call the Kuiper Belt. ... Amateur Astronomers Association of Princeton, Inc., ...

яЛП . PubliУ? le 29/09/2010 par Frederic vincent . Date : 29/08/2010 . Lieu : ETAPLES SUR MER . CoordonnУ?es GPS : 01ТА37'54'' E 50ТА31'03"N . MatУ?riel de prise de vue : meade lx 200 classic focale:2000 mm d:203 mm . Commentaires : ce dernier quartier de lune a ete pris au foyer au format jpeg avec une focale de 2000 mm au 1/8 S pour 100 iso

... Observing . ... Home Articles Observer Reports Archive . ... Clear Sky Chart . ... Our Sun . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . Observing Resources for Amateur Astronomers - Part 2: Intermediate Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... Observer Reports Archive . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

... Searches for Star Formation in Damped Systems . ... The objective was to measure the star-formation rates in these systems. However, no H emission was detected above our limits of Wm -2 , corresponding to star formation rates ( q 0 =0.5). ... For q 0 =0.5 our limits are in conflict with the star formation rates predicted under the assumption that the high- z DLAs are the fully-formed galactic-disk counterparts of today's massive spiral galaxies. ...

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