... Getting to Armagh . ... Origin of the Solar System, Planets and Small Bodies" Mark Bailey (Armagh) . Presentation in PDF format. ... Presentation in PDF format and movie files. ... The Ionosphere" Alan Aylward (UCD) . ... Introduction to MHD: MHD equations, applicability conditions, basic time-scales and dimensionless parameters" Alan Hood (St. Andrews) . ... Using the HELiophysics Integrated Observatory (HELIO) to discover and connect data throughout the heliosphere" David Perez-Suarez (TCD) . ...

... On the morning of Thursday, 26 February, amid the Gal pagos Islands, the Sun will fade from view. Not the culmination of ancient prophecy, but none less mystical, Earth's small Moon will be executing a slow slide past the enormous Sun. ... And anyone living in southern North America, Central America, northern South America, or on islands and cruise ships in the Caribbean Sea will, weather permitting, have the opportunity to experience the wonder of a solar eclipse. ...

... Tonight's Sky . ... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . ... solar system . ... Observing springtime deep-sky objects with a large telescope . ... Telescope on IRIS sees first light . ... NASA s Interface Region Imaging Spectrograph (IRIS) observatory has produced its first images and spectra of a little understood region of the Sun, through which the energy that supports the Sun s hot corona is transported. ... Only registered members of Astronomy.com are allowed to comment on this article...

... Mindful of these biases, I can now explore the relations between the measured rotation periods and various other observables. The hypothesis behind monitoring stellar variability is that active stars have asymmetric spot distributions on their photospheres. ... They found that only stars with rotation periods greater than seven days show variations greater than 0.4 magnitudes at I. Bouvier et al . ... 1993a) demonstrated a relation between X--ray flux and spectral type in ZAMS stars. ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... ATCA . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... John Stephen Young . ... These results, described in Chapters 5-8, include high-quality images of Capella and Betelgeuse, and a large number of diameter measurements of Mira variables. ... Chapter 5 describes the procedures used when observing with COAST in the infrared, illustrated by observations of the binary star Capella. ... Chapter 7 presents the results of a programme to monitor the angular diameter of the Mira variable star chi Cygni. ... Astron. ... PhD thesis, University of Cambridge, 1995...

Solar & Heliospheric Radiophysics of the Future T. S. Bastian NRAO · Science drivers · Observations & techniques · New instrumentation Science Issues (~10 yrs) · Magnetic energy storage and release flares and CMEs · Particle acceleration SEPs · Wave dissipation Corona/Chromosphere/Solar Wind · Space weather prediction from L. Lanzerotti Long duration flare observed on west limb by Yohkoh and the Nobeyama radioheliograph on 16 March 1993. ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The S un Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic ... Low mass stars live and die differently than high mass stars. ...