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Top 10 Amazing Telescopes
10. Southern African Large Telescope
The Southern African Large Telescope (SALT) is a 66m2 area optical telescope with a nominally 9.2 meter aperture but up to about 11.1m x ~9.8 m diameter aperture, and designed mainly for spectroscopy. It is located close to the town of Sutherland in the semi-desert region of the Karoo, South Africa. It is a facility of the South African Astronomical Observatory, the national optical observatory of South Africa. SALT is the largest optical telescope in the southern hemisphere.
It will enable imaging, spectroscopic, and polarimetric analysis of the radiation from astronomical objects out of reach of northern hemisphere telescopes. It was originally planned to be a copy of the Hobby-Eberly Telescope at McDonald Observatory, but while adapting the construction plans, significant changes were introduced to its design, especially to the spherical aberration corrector. The main driver for these changes were desired improvements to the telescope’s field of view. -Wikipedia.org
9. Keck Observatory
The W. M. Keck Observatory is a two-telescope astronomical observatory at an elevation of 4,145 meters (13,600 ft) near the summit of Mauna Kea in Hawai’i. The primary mirrors of each of the two telescopes are 10 metres (33 ft) in diameter, making them the second largest optical telescopes in the world, slightly behind the Gran Telescopio Canarias. The telescopes can operate together to form a single astronomical interferometer. -Wikipedia.org
8. Great Canary Telescope
The Gran Telescopio Canarias (meaning “Canaries Great Telescope”), also known as GranTeCan or GTC, is a 10.4 m (410 in) reflecting telescope undertaking commissioning observations at the Roque de los Muchachos Observatory on the island of La Palma, in the Canary Islands of Spain, as of July 2009. Construction of the telescope, sited on a volcanic peak 2,267 metres (7,438 ft) above sea level, took seven years and cost €130 million (£112 million).
Its installation had been hampered by weather conditions and the logistical difficulties of transporting equipment to such a remote location. The GTC Project is a partnership formed by several institutions from Spain and Mexico, the National Autonomous University of Mexico, the University of Florida, and the Instituto de Astrofísica de Canarias (IAC). Planning for the construction of the telescope, which started in 1987, involved more than 1,000 people from 100 companies. As of 2009, it is the world’s largest single-aperture optical telescope. -Wikipedia.org
7. Very Large Telescope
The Very Large Telescope (VLT) is made up of four separate optical telescopes (the Antu telescope, the Kueyen telescope, the Melipal telescope, and the Yepun telescope) organized in an array formation, built and operated by the European Southern Observatory (ESO) at the Paranal Observatory on Cerro Paranal, a 2,635 m high mountain in the Atacama Desert in northern Chile.
Each telescope has an 8.2 m aperture. The array is complemented by four movable Auxiliary Telescopes (ATs) of 1.8 m aperture. Working together in interferometric mode, the telescopes can achieve an angular resolution of around 1 milliarcsecond, meaning it could distinguish the gap between the headlights of a car located on the Moon. -Wikipedia.org
6. Large Binocular Telescope
The Large Binocular Telescope (LBT, originally named the Columbus Project) is located on 10,700-foot Mount Graham in the Pinaleno Mountains of southeastern Arizona and is a part of the Mount Graham International Observatory. The LBT is one of the world’s highest resolution and most technologically advanced optical telescopes. The telescope design has two 8.4-meter (28 ft) mirrors mounted on a common base, hence the name “binocular”.
LBT takes advantage of active and adaptive optics, provided by Arcetri Observatory. The collecting area is equivalent to an 11.8 meters (39 ft) circular aperture, greater than any other single telescope. Also, an interferometric mode will be available, with a maximum baseline of 22.8 meters (75 ft) for aperture synthesis imaging observations and a baseline of 15 meters (49 ft) for nulling interferometry. -Wikipedia.org
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5. Hubble Space Telescope
The Hubble Space Telescope (HST) is a NASA space telescope that was carried into orbit by a space shuttle in 1990. 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 was built by the United States space agency NASA, with contributions from the European Space Agency, and is operated by the Space Telescope Science Institute. It is named after the astronomer Edwin Hubble. The HST is one of NASA’s Great Observatories, along with the Compton Gamma Ray Observatory, the Chandra X-ray Observatory, and the Spitzer Space Telescope.
Space telescopes were proposed as early as 1923. Hubble was funded in the 1970s, with a proposed launch in 1983, but the project was beset by technical delays, budget problems, and the Challenger disaster. When finally launched in 1990, scientists found that the main mirror had been ground incorrectly, severely compromising the telescope’s capabilities.
However, after a servicing mission in 1993, the telescope was restored to its intended quality. Hubble’s orbit outside the distortion of Earth’s atmosphere allows it to take extremely sharp images with almost no background light. Hubble’s Ultra Deep Field image, for instance, is the most detailed visible-light image ever made of the universe’s most distant objects. Many Hubble observations have led to breakthroughs in astrophysics, such as accurately determining the rate of expansion of the universe. -Wikipedia.org
4. 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 Observatory is the third of NASA’s four Great Observatories.
The first was Hubble Space Telescope; second the Compton Gamma Ray Observatory, launched in 1991; and last is the Spitzer Space Telescope. Prior to successful launch, the Chandra Observatory was known as AXAF, the Advanced X-ray Astrophysics Facility. AXAF was assembled and tested by TRW (now Northrop Grumman Space Technology) in Redondo Beach, California. 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. -Wikipedia.org
3. Giant Magellan Telescope
The Giant Magellan Telescope (GMT) is a ground-based extremely large telescope planned for completion in 2018. It will consist of seven 8.4 m (27.6 ft) diameter primary segments, with the resolving power of a 24.5 m (80.4 ft) primary mirror and collecting area equivalent to 21.4 m (70.2 ft) one. The telescope is expected to have over four times the light-gathering ability of existing instruments. -Wikipedia.org
2. Thirty Meter Telescope
The Thirty Meter Telescope (TMT) will be a ground-based astronomical observatory with a 30-meter (98-foot) diameter segmented mirror capable of observations from the near-ultraviolet to the mid-infrared (0.31 to 28 μm). An adaptive optics system will correct for image blur caused by the atmosphere of the Earth.
At wavelengths longer than 0.8 μm, this correction will enable observations with ten times the spatial resolution of the Hubble Space Telescope. TMT will be more sensitive than existing ground-based telescopes by factors of 10 (natural seeing mode) to 100 (adaptive optics mode). If completed on schedule, TMT will be the first of the new generation of Extremely Large Telescopes. The Telescope cost is currently estimated to be 0 million. -Wikipedia.org
1. European Extremely Large Telescope
The European Extremely Large Telescope (E-ELT) will be a ground-based astronomical observatory with a 42-meter diameter segmented mirror. The design features a filled aperture mirror with an area of 1,300 m². On 26 April 2010, the European Southern Observatory (ESO) Council selected Cerro Armazones, Chile as the baseline site for the planned E-ELT.
The telescope’s “eye” will be almost half the length of a soccer pitch in diameter and will gather 15 times more light than the largest optical telescopes operating today. The telescope has an innovative five-mirror design that includes advanced adaptive optics to correct for the turbulent atmosphere, giving exceptional image quality. The main mirror will be made up from almost 1000 hexagonal segments. If completed it will become the largest of a new generation Extremely Large Telescopes. -Wikipedia.org
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Berber spring
Canary Islands
The most reliable suggest that there are anywhere between 25000 and 150000 Canary Islands: The indigenous people were Berber. The language survived until the Spanish invasion "He is not against us but is helping move our cause forward," Mr Aourik says. …
Canary Islands question by Jennie*: My great grandmother was born in the Canary Islands in the 1800′s, how can I get information about her?
My great grandmother was born in the Canary Islands, Spain, and then immigrated to Cuba. All her documentations have been lost through out the years. I want to become a resident of Spain , but need some proof that she was born there and that I am related to her. Can anyone guide me as to how and what I have to do to find something that would be able to date back to the 1800′s? All we know is that she was born in Tenerife, Canary Islands, Spain. She is dead, and I live in FL, USA, therefore I cant go to the Canary Islands unless I have to.. What can I do from here?
Canary Islands best answer:
Answer by Holly N
try cyndislist.com. There are links there that should lead you to what you want.