... This task has been developed from, and is intended to replace, the sas task attcalc . Why write a whole new package, rather than modifying the existing attcalc ? ... A: it seems now to be generally accepted among the SAS development team that the coordinate transform routine employed by attcalc contains an error (it results in an inversion of the sign of the boresight roll angle). ... The errors thus cancel in the existing sas. ... The transform routine is now available as a library function; . ...

... SUN MOON MERCURY VENUS MARS, JUPITER SATURN . Sun . ... solar system . ... Observe the Solar System . ... Tour the Solar System . ... The Sun's Heartbeat . ... Mission suggests Sun and planets constructed differently . Although the differences in oxygen and nitrogen are slight, the implications could help determine how our solar system evolved. ... Data revealed differences between the Sun and planets in oxygen and nitrogen, which are two of the most abundant elements in our solar system. ...

... Editors Note: Readers may have noticed that the ASP depends on volunteers to translate this newsletter into a variety of languages. This issue is about a focused effort by two astronomy education providers, the ASP and NASA, to make their most popular resources available in both English and Spanish. ... Ciencia@nasa , the Spanish-language companion to NASA's award-winning science@NASA site, features stories from all fields of science, aeronautics and aerospace ( http://ciencia.nasa.gov ). ...

Apollo 15 Oral History Interview Excerpts . ... Back on Earth, Joseph P. Allen, one of NASA's scientist-astronauts, served as the lunar surface EVA CapCom. ... So we kept telling them to be on special lookout for rocks with holes in them, because the gas, when the rocks cool and the gas is coming out, it?ll be vesicular, which means it just has a lot of holes in it from the gas, and if they saw one of those to get it. ... Visit the JSC Oral History Collection . ... Return to JSC History Portal . ...

Lectures . ... Home Lectures Lecture Series 2008-2009 . ... Lecture Series 2014-2015 . ... Lecture Series 2008-2009 . ... AAA Fall Astronomy Class: Astronomy Basics тАУ October-November 2015 . ... Clear Sky Chart . ... Beyond New York City . ... Observing Resources for Amateur Astronomers - Part 1: Beginning Observers . ... A History of the First Forty Years of the Amateur Astronomers Association . ... 2016 Amateur Astronomers Association of New York Designed by Press Customizr Powered by . ...

Next: Enabling Technologies for Astronomy . ... Astronomical Data Analysis Software and Systems X . ... The ADASS Conference Series provides a forum for scientists and computer specialists concerned with development of software for enabling technologies for Astronomy, sky surveys, science data pipelines, software development methodologies and technologies, education and public outreach, and software history. ... The conference was hosted by the Smithsonian Astrophysical Observatory (SAO). ...

... Dnepr launch record 17 August 2011. Cluster Launch of Dnepr LV 22 August 2013 KOMPSAT-5 Launch 21 November 2013. Dnepr Cluster Mission 2013 19 June 2014. ... Mission profile SHM configuration Reliability Dnepr LV Performance Launch Sites . ... ISCK documents ISCK Photo Gallery Contact information . ... Cluster Mission 2011, Sich-2 SC launch, Yasny 2011 . ... SC Integration with SHM, DubaiSat-2 Cluster Mission, Yasny 2013 . Assembled SHM, Cluster Mission, Yasny 2013 . ... Dnepr liftoff . ...

MAIN PAGE . ... LINKS . ... AAL Members Sites . ... Amateur Astronomy . ... Mars Missions . Observatories Telescopes . ... astronomylinks.com. - astronomy and space links, shortcuts, favorites and bookmarks . ... Mel Bartels' Homepage about Amateur Telescope Making and a lot of interesting links (thx to Hugues Laroche for the link!) ... STEREO (Solar TErrestrial RElations Observatory) consists of two space-based observatories - one ahead of Earth in its orbit, the other trailing behind . ...

... Earth Satellites . ... This was the lunar odyssey of Apollo 8тАЩs crew. ... However the mission only orbited Earth and was carried into space not by the Saturn 5 moonrocket but by its much smaller sibling, the Saturn 1B. The Moon seemed as far away as ever. ... Borman ended the broadcast with the words тАЬAnd from the crew of Apollo 8, we close with good night, good luck, and a Merry Christmas to all of you, all of you on the good EarthтАЭ. ... Tweets that mention Apollo 8's Christmas space odyssey ...