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Astronomers and Observatories 
Last Glance (May 21, 2009)
Hubble Space Telescope flies free in space after the crew of space shuttle Atlantis completed the final repair mission on the 19-year-old observatory. During five spacewalks, astronauts replaced or repaired several scientific instruments, as well as gyroscopes, electronics, and insulation. The upgrades should keep Hubble going for another five years or longer. [NASA]

» More Astronomers and Observatories images in the Image Gallery

News & Features
» Hubble Heritage Project: Pretty pictures first, science second. (StarDate magazine)
» The Next Space Telescope: Designs for the next Hubble (StarDate magazine)

Frequently Asked Questions
Are any observatories open to the public?
How do astronomers find planets outside our solar system?
How do astronomers measure distances to stars and galaxies?
How do astronomers report their discoveries?
How do astronomers use space-based telescopes?
How do modern telescopes work?
Is Hubble Space Telescope the only telescope in space?
What do astronomers do at an observatory?
What is the diameter of the largest star, and what is its name?
What is the largest telescope?
Who built the first observatory?
Who invented the telescope?
Who made the first map of the universe?
Why are many observatories located on mountaintops?

Keywords
Airborne Observatories
Ancient Observatories and Monuments
Anniversaries
Archaeoastronomy
Astrometry
Astronomers
Astronomical Distances
Astronomical Texts
Astronomy and the Internet
Astronomy in Books, Film, Music and Art
Balloon Astronomy
Celestial Coordinates
Chandra X-Ray Observatory
Cold War
Copernicus, Nicolaus
Discovery of Planets and Moons
Einstein, Albert
Electromagnetic Spectrum
Galileo Galilei
Gamma-Ray Astronomy
Halley, Edmund
Herschel, William
Historical Events
History of Astronomy
Hubble Space Telescope
Hubble, Edwin
Infrared Astronomy
Interferometry
Kepler, Johannes
Light Pollution
Mathematics and Physics
McDonald Observatory
Modern Astronomy
Newton, Sir Isaac
Nobel Prize
Ptolemy
Radiation
Radio Astronomy
Roman Empire
SIM-Planetquest Mission
Space Observatories
Spectroscopy
Spitzer Space Telescope
Subatomic Particles
Telescopes and Modern Observatories
Tombaugh, Clyde
Tycho Brahe
Ultraviolet Astronomy
World War II
X-Ray Astronomy

AstroGlossary Terms
Terms to learn or review include declination and right ascension, celestial equator, ecliptic, charge-coupled device (CCD), Newtonian focus, parallax, and proper motion.

Links
History of Astronomy
International Astronomical Union
SEDS Large Telescopes Page
Keck Observatory
NAIC Arecibo Observatory
Hobby-Eberly Telescope
Space Telescope Science Institute
SCOPE Home Page
The Astrophysical Journal
American Astronomical Society

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