Help


[permalink] [id link]
+
Page "Cosmic dust" ¶ 4
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

Observations and measurements
* Observations of the Milky Way, including the local interstellar medium, distributed synchrotron emission and measurements of the galactic magnetic field.
Observations using the SZA ( operating at 30 GHz ) to make the atmospheric measurements started in November 2008.

Observations and cosmic
Observations that may distinguish between the ekpyrotic and inflationary models include polarization of the cosmic microwave background radiation and frequency distribution of the gravitational wave spectrum.
The BOOMERanG experiment ( Balloon Observations Of Millimetric Extragalactic Radiation ANd Geophysics ) measured the cosmic microwave background radiation of a part of the sky during three sub-orbital ( high altitude ) balloon flights.
Observations that the expanding universe appears to be accelerating seem to support the cosmic inflation theory — first proposed by Alan Guth in 1981 — in which the nascent universe passed through a phase of exponential expansion driven by a negative vacuum energy density ( positive vacuum pressure ).

Observations and dust
Observations have detected more than ten times as much dust surrounding Tau Ceti as is present in the Solar System.
Observations of the radiometric continuum of circumstellar discs around-Tauri and Herbig Ae / Be stars suggest massive dust disks consisting of millimeter-sized grains, which disappear after several million years ( e. g .,).
Observations of the star's dust ring by the Atacama Large Millimeter Array point to the existence of two planets in the system, neither one at the orbital radius proposed for the HST-discovered Fomalhaut b.
Observations from NASA's Spitzer Space Telescope suggest that Epsilon Eridani actually has two asteroid belts and a cloud of exozodiacal dust.
Observations of Chiron in 1988 and 1989 near its perihelion found it to display a coma ( a cloud of gas and dust evaporating from its surface ).
Observations of these disks show that the dust grains inside them grow in size on short ( thousand-year ) time scales, producing 1 centimeter sized particles.
Observations have revealed that giant molecular clouds are approximately in a state of virial equilibrium — on the whole, the gravitational binding energy of the cloud is balanced by the thermal pressure of the cloud's constituent molecules and dust particles.
Observations of IC 10 in the far-infrared show that the dust in this mild starburst galaxy is deficient in small grains.
Observations of Iota Horologii in October 2000 appeared to show a dust disc around the star at a distance of 65 AU, similar to the Kuiper belt in our solar system.

Observations and different
Horowitz writes that despite these changes, one of the academic certainties is that the problems which had dogged the court for the last two centuries persisted ; Observations on the Dilatory and Expensive Proceedings in the Court of Chancery, written in 1701, listed 25 different procedures, areas and situations which contributed to the problems of high fees and slow processes.
Oberlin published several manuals on archaeology and ancient geography, and made frequent excursions into different provinces of France to investigate antiquarian remains and study provincial dialects, the result appearing in Essai sur le patois Lorrain ( 1775 ); Dissertations sur les Minnesingers ( 1782 – 1789 ); and Observations concernant le patois et les mœurs des gens de la campagne ( 1791 ).
Observations on very closely related species of the Pasteurellaceae family with different RTX toxins indicate that these latter contribute to a significant part to the host specificity of the pathogen itself.
" ( p. 45 ) Kant ’ s Observations contains four sections, in each of which he explains the features of the Beautiful and the sublime from a different point of view.
Observations have suggested that different species of honeybees have different " dialects " of the waggle dance, each species or subspecies dance varying by curve or duration.
His most important work is widely acknowledged to be the 1818 treatise Pathological and Surgical Observations on the Diseases of the Joints, in which he attempts to trace the beginnings of disease in the different tissues that form a joint and to give an exact value to the symptom of pain as evidence of organic disease.
Observations made in one system might, or might not, hold true for a different system.

Observations and regions
Observations of Mercury's polar regions by radar from Earth and the on-going observations of the Messenger Probe have been consistent with water ice and / or other frozen volatiles being present in permanently shadowed areas of craters in Mercury's polar regions.
* Observations by Chandra and BeppoSAX suggest that gamma-ray bursts occur in star-forming regions.
Observations have revealed generally that spatial variance in water content tends to increase as overall wetness increases in semiarid regions, to decrease as overall wetness increases in humid regions, and to peak under intermediate wetness conditions in temperate regions.
* Observations and interpretation of the morphological changes in active regions and their role in occurrence of transients such as solar flares.

Observations and provide
Observations of the Sunyaev-Zel ' dovich effect provide a nearly redshift-independent means of detecting galaxy clusters.
* Observations of the faintest objects will provide a more complete view of the stellar luminosity function.
* Observations of asteroids around 20 AU may provide insights if the anomaly's cause is gravitational.

Observations and important
Observations should be repeatable, e. g., experiments that generate relevant observations can be ( and, if important, usually will be ) done again.
Observations of Cepheid variables are very important for determining distances to galaxies within the Local Group and beyond.
His most important geological essay was entitled " Conjectures concerning the Cause and Observations upon the Phaenomena of Earthquakes " ( Philosophical Transactions, li.
In a similar vein, the novelist Ahmed Midhat Efendi ( 1844 – 1912 ) wrote important novels in each of the major movements: Romanticism ( حسن ملاح ياخود سر ايچيكده اسرار Hasan Mellâh yâhud Sırr İçinde Esrâr, 1873 ; " Hasan the Sailor, or The Mystery Within the Mystery "), Realism ( هﻨﻮز اون يدى يشکده Henüz On Yedi Yaşında, 1881 ; " Just Seventeen Years Old "), and Naturalism ( مشاهدات Müşâhedât, 1891 ; " Observations ").
Observations of edge effects on habitats are also important, if not integral, to the study of fragmentation effects.
Observations of these stars are important for understanding better the properties of the Sun in relation to other stars and the habitability of planets.
Observations of celestial objects have been, and continue to be, important for religious and astrological purposes, as well as for timekeeping and navigation.

Observations and into
In 1867, he published his book Les Rêves et les moyens de les diriger ; observations pratiques (" Dreams and How to Guide them ; Practical Observations "), in which he documented more than twenty years of his own research into dreams.
SEALs continued to make forays into North Vietnam and Laos, and covertly into Cambodia, controlled by the Studies and Observations Group.
Publications from New Harmony's press include William Maclure's Essay on the Formation of Rocks, or an Inquiry into the Probably Origin of their Present Form and Structure and Observations on the Geology of the West India Islands ; from Barbadoes to Santa Cruz, Inclusive, both published in 1832 ; Thomas Say's Description of New Species of North American Insects, and Observations on Some of the Species Already Described ; Descriptions of Some New Terrrestrial and Fluviatile Shells of North America ; and American Conchology, or Descriptions of the Shells of North America.
On 18 November 1965, the first mission was launched " across the fence " and into Laos by the Military Assistance Command, Vietnam Studies and Observations Group ( SOG ).
* An Inquiry into the Changes of Taste in Landscape Gardening, with some Observations on its Theory and Practice, 1806 ; it also included his letter to Price.
His chief prose works are the Observations upon Monsieur de Sorbier's Voyage into England ( London, 1665 ), a satirical reply to the strictures on Englishmen in Samuel de Sorbière's book Relation d ’ un voyage en Angleterre ( Paris, 1664 ), and a History of the Royal Society of London ( London, 1667 ), which Sprat had helped to found.
* four books of Divine Fancies digested into Epigrams, Meditations and Observations ( 1632 )
Observations of captive frilled sharks swimming with their mouths open suggest that the small teeth, light against the dark mouth, may even fool squid into attacking and entangling themselves.
Observations began under the Blue Team 16 hours into the mission after the instruments were checked out.
Observations from the VLT-UT4 telescope equipped with an adaptive optics system in 2007 and lightcurve data analysis suggest that one of the components appears to have a 68-km bowl-shaped impact crater that may be the result of a violent collision of proto-Antiope into two equisized bodies.
This provoked Thomas Sprat ( then spokesman for and historian of the Society ) to publish Observations upon Monsieur de Sorbier's Voyage into England ( London: 1665 ) as a reply to Sorbière's perceived insults against both English culture and the Society in particular.
* Observations on Machiavelli's Discorsi, which bring into relief the views of Italy's two great theorists on statecraft in the 16th century, and show that Guicciardini regarded Machiavelli somewhat as an amiable visionary or political enthusiast ;
Picturesque is an aesthetic ideal introduced into English cultural debate in 1782 by William Gilpin in Observations on the River Wye, and Several Parts of South Wales, etc.
Observations of the large-scale structure of the universe show that matter is aggregated into very large structures that would not have time to have formed under the force of their own self-gravitation.
In 1992, Sperling's grandson, David Sperling, compiled a great number of the aphorisms into a book entitled Barrage: Observations from Palestine, 1940 – 1946, which remains as of yet unpublished.
* Operation Prairie Fire, a US Studies and Observations Group ( SOG ) reconnaissance mission into Laos on February 20, 1968.
* SEPS Project – The Self-adaptive Earth Predictive System ( SEPS ) concept combines Earth System Models ( ESM ) and Earth Observations ( EO ) into one system through standard Web services.
* Sturt, Charles ,' Two Expeditions into the Interior of Southern Australia during the years 1828, 1829, 1830, 1831 with Observations on the Soil, Climate and general Resources of the Colony of New South Wales ,' Vol 1 London, Smith Elder and Co, 1833, map facing LXXX Map is titled: Map of the Discoveries in Australia copied from the latest M. S. Surveys in the Colonial Office, 16 Feb 1832, London, J. Arrowsmith.
He developed these ideas further in his 1823 book Reliquiae Diluvianae ; or, Observations on the organic remains contained in caves, fissures, and diluvial gravel, and on other geological phenomena, attesting the action of an universal deluge, challenging the belief that the bones were brought to the cave by Noah's flood and providing detailed evidence that instead hyenas had used the cave as a den into which they brought the bones of their prey.
To lend support to his views he translated " Observations on Civil Liberty " by the Welshman Richard Price into Dutch.
Hertzberg is the author of the book, Politics: Observations and Arguments, 1966-2004 ISBN 1-59420-018-1, a collection of essays and reports on four decades of American political debates, campaigns, and ideological clashes ; culture, counterculture, and pop culture ; and presidents from Lyndon Johnson to George W. Bush, with excursions into neoconservatives, the religious right, and wars from Vietnam to the war on terror.

1.949 seconds.