| NASA_Human_Spaceflight Coverage of current Space Shuttle and International Space Station missions. Also includes links to past space flights, Mars exploration, and image galleries. |
| NASA_Jobs NASA's human resources recruitment page, with information about opportunities and on how to apply. |
| NASA_Office_of_Space_Operations A wealth of information on NASA's current projects and missions. |
| NASA_Search Allows you to easily search through hundreds of thousands of documents published on NASA web sites. |
| NASA_Space_Telerobotics_Program Archived page for project that was shut down in 1997. The research and technology development task supported by the program were transferred to other efforts. Reflects the state of robotics technology |
| NASA_Training_and_Development Promotes and supports employee and organizational growth, development, and empowerment by providing learning programs, resources, and services. |
| NASA_Web Directory and links to many NASA sites. |
| NASA_WWW_Servers_by_Center Links to astronomy & space resources available at NASA. |
| NASA\'s_Aerospace_Technology_Enterprise Serves as a center of science and technology for air and space transportation research. |
| NASA\'s_Office_of_Policy_&_Plans Serves as the focal point for representation and advocacy with executive branch officesand other federal agencies and departments for Agency-level policy issues. |
| National_Space_Biomedical_Research_Institute Established in 1997 through a NASA competition, the consortium of 12 institutions working to prevent or solve health problems related to long-duration space travel and prolonged exposure to microgravi |
| Office_of_Headquarters_Operations_(Code_C) This Headquarters functional office serves as the single focus on matters pertaining to the planning, execution, and evaluation of Headquarters institutional management activities. |
| Office_of_SpaceFlight_Space_Hotlist Directory of general space-related links published by NASA. |
| ORNL_Distributed_Active_Archive_Center_(DAAC)_for_Biogeochemical_Dynamics Offers Earth science data for global change research and Earth systems studies. Sponsored by NASA, the archive includes field data, remote-sensing data, imagery, and the results of ecosystems modelin |
| ORPHEUS_World_Wide_Web_server This server is for distributing information about the ESA/NASA Solar and Heliospheric Observatory (SOHO), and about the Coronal Diagnostics Spectrometer (CDS) instrument aboard that spacecraft. It is |
| Personal_Air_Vehicles a $250,000 annual flight competition for small aircraft.Personal Air Vehicles (PAVs) are small but highly capable aircraft with 2-6 seats that are suitable for on-demand travel on trips of up to 800 m |
| Science_Mission_Directorate Provides overview of strategies and vision of NASA's space science programmes. Includes science community outreach. |
| Solar_Data_Analysis_Center Solar images, solar news, eclipse information, solar data, NASA solar physics programs. |
| Solar_System_Exploration Part of NASA's Office of Space Science that describes NASA's program to explore the solar system. |
| Space_Science Links to images and current news stories. Overview of scientific missions. |
| Space_Telescope_Science_Institute Responsibility for conducting and coordinating the science operations of the Hubble Space Telescope rests with the Space Telescope Science Institute (STScI) on the Johns Hopkins University Homewood Ca |
| Spacecraft_Technology_Center_at_Texas_A&M_University STC promotes commercially funded engineering research and technology development using the International Space Station (ISS) or other orbiting platforms as a test bed for developing and validating adv |
| Spaceline A free internet based bibliographic database referencing citations to publications on space life sciences research. A joint project of NASA and the US National Library of Medicine. |
| Spitzer_Space_Telescope The largest infrared telescope ever launched into space and the final mission in NASA's Great Observatories Program. |
| Technical_Standards_Program Features overview and repository of space standards. Access to the standards requires registration. |
| Australian_Global_Positioning_Systems_Society A free membership society to bring together the delegates, sponsors, and exhibitors for the Satellite Navigation Conference and to foster, develop, and assist the Global Positioning System disciplines |
| Cetus_GPS Navigation, tracking and field data collection software for PalmOS handhelds. |
| Chartracer_Software Cartographic Software is for making moving maps on which GPS data from a serial port are plotted. Data are tracked remotely via CDPD modems and internet sites. |
| David_L__Wilson\'s_GPS_Accuracy_Web_Page Global Positioning System Accuracy |
| GENESIS Suite of data services that brings together the new Earth science products to be produced by spaceborne Global Positioning System (GPS) receivers. It serves mainly as a database for GPS occultation ob |
| GIS_Services Specializes in ArcView GIS training and provides commodities, services and training for implementing and integrating solutions with GIS, GPS, AVL, internet mapping and satellite imagery. |
| The_Global_Positioning_System__The_History_of_GPS The history and story of how the Global Positioning System evolved from the development of the world's most accurate timepieces, atomic clocks, by physicists looking into the nature of time. Adapted f |
| GPS_ActiveX Download information into a Visual Basic application or web page. Garmin, Magellan, Navman or any NMEA 0183 enabled GPS supported. UTM, SPCS, British National Grid, and most other national coordinate |
| GPS_by_Globespotter GPS education, news, hardware, software, and links. Digital mapping. |
| GPS_Clocks_for_Computer_Time_Synchronization Learn about how to use GPS for computer time synchronization. We offer a GPSClock (for computer use) that's accurate to a millionth of a second. Ideal for running a stratum one NTP server. |
| GPS_Control_Base_Station_on_Internet GPS Base Stations located in New Zealand, Australia, and New Guinea. Download GPS data files for $40-$70 per day. |
| GPS_Deformation_Monitoring Objective is the development of a system for rapid and inexpensive monitoring of unstable slopes, such as pit walls, earth\rock slopes and dam walls using global satellite positioning technology. |
| GPS_Discounts_for_Educators GPS special pricing for Trimble GeoExplorer 3 and ProXR/XRS educator kits. GPS education and training courses. Tutorials to learn about the GPS system. GPS consulting and course development. |
| GPS_Information Mehaffey, Yeazel and DePriest's site provides dozens of reviews and technical articles on GPS receivers and software, and a huge list of links. |
| GPS_Kwajalein GPS Ground Station on Kwajalein Island, photographs of the island and site. Links to others GPS sites. |
HOME NEWSCENTER GALLERY HUBBLE DISCOVERIES THE TELESCOPE EXPLORE ASTRONOMY EDUCATION & MUSEUMS REFERENCE DESK Stargazers Scan the heavens with this monthly guide to constellations, planets, cosmic events and more. Watch: Tonight's Sky Kids Want a Hubble of your own? Now you can build a scale model of the telescope with inexpensive parts from local hardware and craft stores. Find out how: Hand-Held Hubble Educators Have your students build a comet, uncover the history of the telescope, or read news articles on the latest Hubble discoveries. Find teaching activities, resource and materials at our sister site. Visit: Amazing Space Treat your classroom to a weekly audio broadcast on the astronomy discovery of the moment. Listen: SkyWatch Podcast Museums & Planetariums Find exhibits, images, and videos; get early access to news, and attend webcasts and teleconferences. Get the resources your science center needs to explain the universe. Visit: HubbleSource Entertain visitors with a constantly changing, self-updating astronomy exhibit in your museum. See: ViewSpace Print out gallery-quality photos of inspiring Hubble images. Visit: Astronomy Printshop site highlights 
HubbleSite works better when you enable JavaScript in your Web browser. NEWSCENTER 
hubble news All the Hubble news and pictures, from the latest discoveries to the earliest observations. Coast through cosmic images, browse our archive by date or subject; or sign up to get Hubble news sent to your e-mail or PDA. GALLERY 
hubble images Spectacular color pictures of stars, planets, galaxies, nebulae and more. Get wallpaper for your computer, print your own Hubble images or watch videos. Catch the best of Hubble's extensive portfolio in Gallery. HUBBLE DISCOVERIES 
hubble's astronomical breakthroughs The science behind the scenery...and what it means. Tour our universe through multimedia experiences and in-depth explorations of Hubble's finest moments in Hubble Discoveries. THE TELESCOPE 
telescope facts and fun Why did NASA put a telescope in space? Learn about Hubble's history, operations, and the team that makes it work, construct your own Hubble model, and pinpoint the telescope's location. EXPLORE ASTRONOMY 
astronomy 101 Explore some of the universe's strange and wondrous phenomena. Experience interactive features on colliding galaxies and black holes, test your knowledge with a cosmic quiz, and listen to a weekly podcast on astronomy. EDUCATION AND MUSEUMS 
learning resources Resources for educators, museum and science center professionals, and students. Find Hubble-themed products by visiting our sister sites through Education and Museums. REFERENCE DESK 
research resources Astronomy facts, figures and fundamentals. Whether you're looking for answers or definitions, find the basics quickly in Reference Desk. 
ANNOUNCEMENTS Latest News from Hubble: Hubble Resolves Puzzle about Loner Starburst Galaxy 
Hubble resumes observations The Hubble Space Telescope is back in service after a technical problem shut down command of the science instruments and transmission of science data to Earth. Find out more See the Sky with Google Earth Cruise the heavens from your desktop. Use Google Earth to explore the night sky and zoom in on Hubble images of nearby planets, distant galaxies, and everything in between. Download our gSky plug-in to start surfing the cosmos. Learn more: gSky Browser Servicing Mission 4 Repairs and new instruments are planned for early 2009. Hubble will look onto the universe with new eyes, surpassing even its previous vision. Visit: Servicing Mission 4 web page 
HubbleSite is the home of NASA's Hubble Space Telescope, the renowned orbiting telescope whose discoveries have forever altered our knowledge of the universe. search | site map | about us | contact us | copyright function returnStatsURL() { var str; // Start the URL str = "http://stats.stsci.edu/cgi-bin/browser/collect.pl?file=hubble"; // Show all the screen variables str += "&scr_w="+screen.width+"&scr_h="+screen.height; str += "&scr_aw="+screen.availWidth+"&scr_ah="+screen.availHeight; str += "&depth="+screen.colorDepth; str += "&win_ow="+window.outerWidth+"&win_oh="+window.outerHeight; if (window.innerHeight) { str += "&win_iw="+window.innerWidth+"&win_ih="+window.innerHeight; } else { str += "&win_iw="+document.body.clientWidth+"&win_ih="+document.body.clientHeight; } return(str);} 