Help


[permalink] [id link]
+
Page "Amateur telescope making" ¶ 7
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

most and popular
and, `` I do think that families are the most beautiful things in all the world '', burst out Jo some five hundred pages later in that popular story of the March family, which had first appeared when Henrietta was eight ; ;
In short order, the general history became his most popular work and has remained, aside from his later Social history, the work most widely favored by the public.
In the middle of the century, with a circulation of 90,000, the Post was one of the most popular weeklies in the country.
But Curtis poured over $1 million into it and in time it again became one of the most popular weeklies of the country.
Without exception Hino's brothers turned to either one or both of their father's occupations, but Hino showed a talent for neither and instead spent most of his time on the beach where he repaired nets and proved immensely popular as a storyteller.
In my short period here I believe that at no time has he been otherwise than the most popular man on both sides of the aisle.
it's a short, light, quick-handling, fast-firing little timber gun designed to push a heavy slug at modest velocity but with lots of killing power and ample range for our most popular big game -- whitetail.
For decades it was the most popular dish served in the Ladies' Grill at breakfast, and it is one of the few old Palace dishes that still survive.
In California is located one of the most popular of the national parks -- Yosemite.
For an instant his men hesitated, unable to believe that their lieutenant, the most popular officer in the regiment, was dead.
not long ago `` Denver Mud '' was most popular.
About that same time John Crosby's TV series on the popular arts proved again that giving jazz ample breathing space is one of the most sensible things a producer can do.
The song is one of the most beloved and popular of the many American patriotic songs.
* A. E. van Vogt, regarded as one of the most popular and complex science fiction writers during its " Golden Age "
It was one of the most popular and influential games of the Golden Age of Arcade Games, selling 70, 000 arcade cabinets.
" Readers of the KLOV credit it as the seventh most popular game.
Alfred Elton van Vogt ( April 26, 1912 – January 26, 2000 ) was a Canadian-born science fiction author regarded as one of the most popular and complex science fiction writers of the mid-twentieth century: the " Golden Age " of the genre.
Indeed most Arminians reject all accusations of Pelagianism ; nonetheless, primarily due to Calvinist opponents, the two terms remain intertwined in popular usage.
The resin's most popular use was, however, for ornamentation — easily cut and polished, it could be transformed into beautiful jewelry.
One of Alan ’ s most popular and widely distributed works is his manual on preaching, Ars Praedicandi, or The Art of Preaching.
Wallace was a prolific author who wrote on both scientific and social issues ; his account of his adventures and observations during his explorations in Indonesia and Malaysia, The Malay Archipelago, was one of the most popular and influential journals of scientific exploration published during the 19th century.
Stylistic evidence suggests that the poem ( with most of Plato's other alleged epigrams ) was actually written some time after Plato had died: its form is that of the Hellenistic erotic epigram, which did not become popular until after 300 BC.
Boethius ' Consolation of Philosophy was the most popular philosophical handbook of the Middle Ages.
The most popular upgrades were memory, SCSI controllers and CPU accelerator cards.

most and telescope
A 200-inch telescope was dedicated on nearby Palomar Mountain in 1948 and remained the world's most powerful optical telescope for over forty years.
Its detectors got a trial run at the Antarctic Viper telescope as ACBAR ( Arcminute Cosmology Bolometer Array Receiver ) experiment — which has produced the most precise measurements at small angular scales to date — and at the Archeops balloon telescope.
From the back garden of his house in New King Street, Bath, and using a, ( f / 13 ) Newtonian telescope " with a most capital speculum " of his own manufacture, in October 1779, Herschel began a systematic search for such stars among " every star in the Heavens ", with new discoveries listed through 1792.
The largest and most famous of these was a reflecting telescope with a primary mirror and a 40-foot ( 12 m ) focal length.
The " 40-foot telescope " proved very cumbersome, however, and most of his observations were done with a smaller reflector.
In most cases, the entire upper portion of the telescope dome can be rotated to allow the instrument to observe different sections of the night sky.
Since the Newtonian reflector is the most common telescope built by amateur telescope makers, large sections of the literature on the subject are devoted to fabrication of the primary mirror.
Moreover, most organic compounds absorb and emit light in the infrared ( IR ) so, for example, the recent detection of methane in the atmosphere of Mars was achieved using an IR ground-based telescope, NASA's 3-meter Infrared Telescope Facility atop Mauna Kea, Hawaii.
Although this allows for the magnification and light gathering power of the telescope to be used, it is one of the most difficult astrophotography methods.
The SKA is being planned by a collaboration of 20 countries and when completed it is intended to be the most powerful radio telescope ever built.
The LBT is currently one of the world's most advanced optical telescopes ; using two 8. 4 m ( 27 ft ) wide mirrors can give the same light gathering ability as a 11. 8 m ( 39 ft ) wide single circular telescope and detail of 22. 8 m ( 75 ft ) wide one.
Born in Paris, France, his most famous invention is the anamorphic widescreen process, that resulted in the CinemaScope, and the co-invention of the Ritchey-Chrétien telescope ( with George Willis Ritchey ), which was an
One of the earliest and most famous was the 1974 radio message sent from the largest radio telescope in the world, Arecibo, in Puerto Rico.
At its most basic, photometry is conducted by gathering radiation in a telescope, perhaps passing it through specialized optical filters, and then capturing and recording the light energy with a photosensitive instrument.
During her leisure hours she occupied herself with observing the sky with a focal length Newtonian telescope and by this means detected a number of astronomical objects during the years 1783 – 87, including most notably an independent discovery of M110 ( NGC 205 ), the second companion of the Andromeda Galaxy.
Yerkes Observatory is most famous for its 102 cm ( 40 inch ) refracting telescope built by the master optician Alvan Clark.
The Foucault test is in use to this date, most notably by amateur and smaller commercial telescope makers as it is inexpensive and uses simple, easily made equipment.
The Arecibo Observatory is the largest single-unit radio telescope ever constructed and one of the world's most powerful radar-radio telescopes.
The most famous example is the Apollo 13 mission, where limited battery power and inability to use the spacecraft's high gain antennas reduced signal levels below the capability of the Manned Space Flight Network, and the use of the biggest DSN antennas ( and the Australian Parkes Observatory radio telescope ) was critical to saving the lives of the astronauts.
Another record-holder for most distant object is a galaxy observed through and located beyond Abell 2218, also with a light travel distance of approximately 13 billion light years from Earth, with observations from the Hubble telescope indicating a redshift between 6. 6 and 7. 1, and observations from Keck telescopes indicating a redshift towards the upper end of this range, around 7.
Although large refracting telescopes were very popular in the second half of the 19th century, for most research purposes the refracting telescope has been superseded by the reflecting telescope.

0.122 seconds.