... Fortranљ66 . ... Fixed form . ... Whole Fortranљ66 . ... Continuation line indicated in column 6 . ... Blank line as comment . ... Extension in Unix .f .f .f .f90 .f .f90 . Extension in DOS .FOR .FOR .FOR .F90 .FOR .F90 . ... This applies to both fixed form and free form source code. ... Fixed form of the source code is discouraged in Fortran 95! ... In UNIX there is no concept called extension, and the extensions are not specified in the Fortran standard, but in informal manufacturer standards. ...

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... the time of observation . ... Observing the Changing Position of the Sun To Establish Cardinal Directions . ... Observations of the Sun's apparent movement across the sky and its pattern of rising and setting in the east and west horizon helped to establish the cardinal directions. ... The final stage of the Sun's return was marked by the observation that the Sun had reached its highest altitude when the full width of your mitted hand could fill the gap between the Sun and the horizon. ...

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• ASP: To Every Season There is a Reason
• ASP: A Flag for Mars
• ASP: Responsible Exploration

... The metallicity distribution of disk F stars in different age ranges: the left column for the sample of stars within 80 pc around the Sun; the right column for the restored complete sample at the solar galactocentric distance with allowance made for the radial metallicity gradient. The numbers indicate the age ranges expressed in billions of years. ... next figure . ...

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• Vladimir Marsakov Publication List
• Vladimir Marsakov Abstracts
• Vertical Structure, figures

... Archives . ... If you do not mind the time predictor, it is hard to believe that this is a light curve, time dependent data. ... It?s hard to say this data set is designed for time series analysis apart from the complication in statistical inference due to measurement errors. How to design the statistical study with measurement errors, huge gaps in time, and unequal time intervals is complex and unexplored. ... The following is R output without measurement errors. ... Chandra Blog . ...

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• How did I collect the tweets from the 219th meeting of the AAS
• zhtools
• The Orion OB1 Association

Enceladus . ... Enceladus [en-SELL-ah-dus] is one of the innermost moons of Saturn. ... Parts of Enceladus shows craters no larger than 35 km in diameter. ... This Voyager 2 mosaic of Enceladus was made from images taken through the clear, violet and green filters on August 25, 1981, from a distance of 119,000 kilometers (74,000 miles). ... This image was created by projecting a digital map of Enceladus onto an orthographic view and then replacing the color channels by low resoultion color images. ...

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• APOD: December 30, 1998 - Supernova 1994D and the Unexpected Universe
• APOD: 2000 March 12 - Supernova 1994D and the Unexpected Universe
• APOD: February 22, 1999 - NGC 1316: After Galaxies Collide

Enceladus . Saturn II . Enceladus [en-SELL-ah-dus] is one of the innermost moons of Saturn. ... Parts of Enceladus shows craters no larger than 35 km in diameter. ... This Voyager 2 mosaic of Enceladus was made from images taken through the clear, violet and green filters on August 25, 1981, from a distance of 119,000 kilometers (74,000 miles). ... Some regions of Enceladus show impact craters up to 35 kilometers (22 miles) in diameter, whereas other areas are smooth and uncratered. ...

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• DIGITAL WDC EXCHANGE FORMAT FOR OBSERVATORY 1.0 MINUTE VALUES
• Dayside aurora [Oulu]
• Parallax

Next: The stage and Up: The ESO Red Sky Previous: Artefacts . Fig. 3 shows the distribution of stars. The most striking feature is the rapid steepening of the density gradient towards the Milky Way region at the right and left hand edges of the total field, apparent from the dramatic change in colour in this false colour presentation. Noticable changes in star density across even short distances are indicated by colour changes within individual plates. ... Fig. ...

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• High Resolution HST Images of Pluto and Charon (ESO Press Release 09/94)
• Colours and magnitudes
• A Quasar in Different Colours | ESO

... Sagittarius Star Cloud . ... Stars come in all different colors. ... Most stars in the above Sagittarius Star Cloud are orange or red and relatively faint, as our Sun would appear. ... Stars like HD 82943 are main sequence G dwarf stars with temperatures and compositions similar to the Sun. Also like the Sun, HD 82943 is known to have at least two giant planets, but unlike gas giants in our solar system their orbits are not nearly circular and bring them closer to the parent star. ... April 2003 . ...

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As part of a project to investigate milli-arcsecond scale morphological differences between scintillating and non-scintillating flat spectrum radio sources we needed to do something that seemed fairly simple: display the same image using, simultaneously, two different kinds of contours. ... Figure 1: Total intensity plot of the scintillating extragalactic radio source J2155+0916. ... Figure 2: Polarized intensity contours for J2155+0916. ... Figure 3: Fractional polarization plot for J2155+0916. ...

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• Pulsar Group Main/Images
• Overlaying spectra on images
• Polarization/Stokes Handling (stokes and select)

. Mars was imaged in great detail in 2005. New research indicates Earth's core formed under different conditions from those that existed on Mars. One possible explanation for this is the difference in mass between the two planets. With Earth being eight times larger than Mars, the pressure of core-formation could be higher. Different silicate phases also may have been involved. NASA/JPL/USGS

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• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7B12394881-0652-45CB-B5C4-A8E847AC3006%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BACD4B678-F7FD-4CD5-9A0E-28EA3D8EE5D5%7D
• http://www.astronomy.com/sitefiles/resources/image.aspx?item=%7BD8E1E9E2-A542-4137-9071-03C7701D0DBD%7D

... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

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• Space Research Institute (IKI) Seminar
• Polar Orbiting Satellites
• The Solar Wind