... The Surveyor probes were the first U.S. spacecraft to land safely on the Moon . The main objectives of the Surveyors were to obtain close-up images of the lunar surface and to determine if the terrain was safe for manned landings. ... The successful missions and landing dates are: Surveyor 1 on June 2, 1966; Surveyor 3 on April 19, 1967; Surveyor 5 on September 10, 1967; Surveyor 6 on November 9, 1967; and Surveyor 7 on January 9, 1968. ... Surveyor 7 Panorama of Tycho Crater . ...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). ... A.W. Jones & M.P. Hobson . ... The maximum entropy method (MEM) presented in Hobson & Jones (1998, these proceedings) is applied to simulated observations by the proposed Planck Surveyor satellite. ... The analysis presented here is intended to complement the analysis presented in Hobson et al. (1998) which showed the results for a CDM realisation of the CMB instead of the string simulation used here. ...

... Tonight's Sky . ... SET т?? ... Astronomy for Kids . ... Odyssey spacecraft sets exploration record on Mars . ... NASA's Mars Odyssey, which launched in 2001, broke the record December 15 for longest-serving spacecraft at the Red Planet. ... The probe began its 3,340th day in martian orbit at 8:55 p.m. EST on the 15th to break the record set by NASA's Mars Global Surveyor, which orbited Mars from 1997 to 2006. ... Only registered members of Astronomy.com are allowed to comment on this article. ...

. Home . News . Gallery . Events . Twitter . Press Releases . Links . Contact Us . Calendar . Press & Web Coverage . Previous . Next . List . Astronomy on display for the 800 young pupils present at the largest science festival in Northern Ireland. Click on the photo for more images . Sunday, 21 June 2009 23:52 . International Year of Astronomy, Ireland National Node . [Back To Top] .

... Moon . ... Astronaut Alan L. Bean posing near a tool carrier on the moon?s surface. Pete Conrad, who took the black-and-white photo, is reflected in Bean?s helmet visor. Image credit: Charles Conrad Jr/NASA) . ... On 19 November 1969 Conrad and Bean left Gordon alone in lunar orbit on the CSM Yankee Clipper and descended in the Lunar Module Intrepid to their destination. ... Meanwhile, Intrepid?s ascent stage was commanded to crash on the Moon about 10 km from Apollo 12?s landing site. ...

... In this final issue of the year, we consider the Moon's alien surface features, (so different from those we're used to on Earth) and review the golden age of lunar exploration. ... From 1959 (when the Luna 1 probe made the first flyby of the Moon) until 1976 (when Luna 24 returned the last lunar sample to Earth), 32 unmanned probes and 9 manned missions to the Moon or near-Moon space were successfully carried out. ... Luna 1 . ... First flyby of Moon . ... Flyby; first photographs of Moon's farside ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . The Mars Pathfinder and Global Surveyor Missions! ... Listed Since July 15, 1998 . ... http://mpfwww.jpl.nasa.gov/ . ... Additional Information . ... www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... Ciel Espace, le magazine qui vous guide toujours plus loin . ... des actualit?йs . des reportages . ... 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 Surveyor 7 sous lтАЩ?Уil de LRO . ... L'objectif du programme Surveyor ?йtait de valider les techniques d'atterrissage sur la Lune et de fournir des donn?йes utiles ?а la conception des v?йhicules pour un d?йbarquement humain. ...

... Abstract Compute the rectangular coordinates of the sub-observer point on a target body at a particular epoch, optionally corrected for planetary (light time) and stellar aberration. ... Return the geometric sub-observer point on the target body. ... Particulars subpt_c computes the sub-observer point on a target body. The sub-observer point is commonly called the sub-spacecraft point when the observer is a spacecraft.) subpt_c also determines the altitude of the observer above the target body. ...

Dr. Randall Smith . ... High Energy Astrophysics Division . Smithsonian Astrophysical Observatory . Cambridge, MA 02138 . ... Software . X-ray Astronomy Schools . AtomDB . AtomDB is an atomic database useful for X-ray plasma spectral modeling. simx . ... The purpose of `xscat' is to calculate the X-ray scattering cross section of a population of dust grains as a function of energy, given a specific dust grain position and an extraction region. acx . ... Dept. of Astronomy | ...