Chandra X-Ray Observatory - The Chandra X-ray Observatory is a satellite launched on STS-93 by NASA on July 23, 1999. It was named in
honor of Indian-American physicist Subrahmanyan Chandrasekhar who is known for determining the maximum mass for white dwarfs. "Chandra" also means "moon"
or "luminous"in Sanskrit.Chandra is sensitive to X-ray sources 100 times fainter than any previous X-ray telescope, due primarily to the high angular resolution of
the Chandra mirrors.
Hubble Space Telescope News - The Hubble Space Telescope (HST) is a space telescope that was carried into orbit by the space shuttle in
April 1990. It is named after the American astronomer Edwin Hubble. Although not the first space telescope, Hubble is one of the largest and
most versatile, and is well-known as both a vital research tool and a public relations boon for astronomy. The HST is a collaboration between NASA and the European Space Agency, and is one of NASA's Great Observatories, along with the Compton Gamma Ray Observatory, the Chandra X-ray Observatory, and the Spitzer Space Telescope.
Kepler Mission News - The Kepler Mission uses a NASA space observatory
designed to discover Earth-like planets orbiting other stars. The spacecraft was launched on March 6,10:49:57 p.m. EST. The mission is named in honor of
German astronomer Johannes Kepler. With a planned mission lifetime of at least 3.5 years, Kepler uses a photometer developed by NASA to continuously
monitor the brightness of over 145,000 main sequence stars in a fixed field of view. The data collected from these observations will be analyzed to detect
periodic fluctuations that indicate the presence of extrasolar planets that are in the process of crossing the face of other stars.
Spitzer Mission News - The Spitzer Space Telescope (formerly the Space Infrared Telescope Facility, SIRTF) is an infrared
space observatory launched in 2003. It is the fourth and final of NASA's Great Observatories. In keeping with NASA tradition, the telescope was renamed
after successful demonstration of operation, on December 18, 2003. Unlike most telescopes which are named after famous deceased astronomers by a board of
scientists, the name for SIRTF was obtained from a contest open to the general public. The result was it being named in honor of Lyman Spitzer, one of
the 20th century's great scientists. Though he was not the first to propose the idea of the space telescope, Spitzer has been cited for his
pioneering contributions to rocketry and astronomy, as well as "his vision and leadership in articulating the advantages and benefits to be realized from the Space Telescope Program.