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Monday, August 3, 2020 | History

3 edition of [Ultraviolet geometric albedo of Uranus] found in the catalog.

[Ultraviolet geometric albedo of Uranus]

John S. Neff

[Ultraviolet geometric albedo of Uranus]

[final technical report].

by John S. Neff

  • 270 Want to read
  • 29 Currently reading

Published by University of Iowa, Dept. of Physics and Astronomy in Iowa City, Iowa .
Written in English

    Subjects:
  • Albedo.,
  • Uranus (Planet)

  • Edition Notes

    Other titlesFinal report on ultraviolet geometric albedo of Uranus.
    SeriesNASA-CR -- 183099., NASA contractor report -- NASA CR-183099.
    ContributionsUnited States. National Aeronautics and Space Administration.
    The Physical Object
    FormatMicroform
    Pagination1 v.
    ID Numbers
    Open LibraryOL15282892M

    The Galle ring was named after Johann Gottfried Galle, the first person to see the planet using a telescope; and at 41,–43, km, it is the nearest of Neptune’s rings.   Triton follows a retrograde and quasi-circular orbit, and is composed largely of nitrogen, methane, carbon dioxide and water ices. With a geometric albedo of more than 70% and a Bond albedo as.

    Atreya, S., B.R. Sandel, and P.N. Romani, "Photochemistry and Vertical Mixing," Uranus, J. Bergstralh and M.S. Matthews (Eds.), U. of Arizona Press, Unlike Uranus, Neptune’s composition has a higher volume of ocean, whereas Uranus has a smaller mantle. Neptune’s Atmosphere: At high altitudes, .

      The instruments use scanning radiometers to measure both the shortwave solar energy reflected by the planet (albedo) and the longwave thermal energy emitted by it. The first CERES went into space in on the Tropical Rainfall Measuring Mission, and three more have gone up on Terra, Aqua, and Suomi-NPP. Bulk parameters: Mass (10 20 kg) Radius (km) Mean density (kg/m 3) Visual geometric albedo: Major Satellites: Miranda (UV) x x 1, Ariel (UI).


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[Ultraviolet geometric albedo of Uranus] by John S. Neff Download PDF EPUB FB2

The geometric albedo of Uranus between and Å is analyzed using a radiative transfer code which explicitly treats Raman scattering of solar p Cited by: 5.

Book Microform: National government publication: Microfiche: English: Rating: (not yet rated) 0 with reviews - Be the first. Subjects: Albedo.

Uranus (Planet) More like this: Similar Items [Ultraviolet geometric albedo of Uranus]: [final technical report]. Moreover, such UV-induced solid-state chemistry accounts for the correlation between the solar ultraviolet flux and the blue-yellow planetary geometric albedo.

Geometric albedo Last updated Aug In astronomy, the geometric albedo of a celestial body is the ratio of its actual brightness as seen from the light source (i.e.

at zero phase angle) to that of an idealized flat, fully reflecting, diffusively scattering disk with the same cross-section.(This phase angle refers to the direction of the light paths and is not a. If a value of is used with D.J. Taylor's bolometric geometric albedo ofthe planet emits or times the energy it absorbs from the Sun if it effective temperature is or   Geometric albedo spectra of Titan, Uranus, and Neptune and the adopted flux distribution of T, Tb T b NEFF ET AL.

80 60I 60 - TITAN f.,~t t URANUS Tbol~' --_- - "-- -4 -i- -- iiii Teff NEPTUNE Tbol 5 10 50 WAVELENGTH (in microns) Fic. Uranus Observational Parameters Discoverer: William Herschel Discovery Date: 13 March Distance from Earth Minimum (10 6 km) Maximum (10 6 km) Apparent diameter from Earth Maximum (seconds of arc) Minimum (seconds of arc) Mean values at opposition from Earth Distance from Earth (10 6 km) Apparent diameter (seconds of.

Régis Courtin, The Raman signature of H2 in the uv spectra of Uranus and Neptune: Constraints on the haze optical properties and on the para-H2 fraction fn2 fn2Based on observations made with the NASA⧸ESA Hubble Space Telescope, obtained from the data archive at the Space Telescope Science Institute.

STScI is operated by the Association of Universities for Research. Full disk measurements recorded 31 days before the Voyager 1 encounter with Jupiter by the radiometer (– µm) of the infrared instrument Iris indicate a geometric albedo of ± The gi.

About Cookies, including instructions on how to turn off cookies if you wish to do so. By continuing to browse this site you agree to us using cookies as described in About Cookies. Remove maintenance message. Albedo. For other uses, see Albedo (disambiguation).

The percentage of diffusely reflected sunlight relative to various surface conditions. Albedo (/. In astronomy, the geometric albedo of a celestial body is the ratio of its actual brightness as seen from the light source (i.e.

at zero phase angle) to that of an idealized flat, fully reflecting, diffusively scattering disk with the same cross-section.(This phase angle refers to the direction of the light paths and is not a phase angle in its normal meaning in optics or electronics.).

The satellites Rhea and Dione orbit within the magnetosphere of Saturn, where they are exposed to particle irradiation from trapped ions.

A similar situation applies to the galilean moons Europa. Abstract. Recent high quality spectral observations have allowed the derivation of constraints on the atmospheric structure of Uranus.

The present analysis, which is based on the detailed modeling of a broadband geometric albedo spectrum and high resolution observations of the H2 quadrupole and A CH4 features, yields (1) a family of models which parameterize.

Uranus is the seventh planet from the name "Uranus" is a reference to the Greek god of the sky, ing to Greek mythology, Uranus was the grandfather of Zeus and father of Cronus ().It has the third-largest planetary radius and fourth-largest planetary mass in the Solar is similar in composition to Neptune, and both have bulk chemical.

Uranus 98 ~ ~ 25 ~ 15 × ~ ~ 55 weights while those in the lower right portion have the lowest. Saturn and Jupiter approximate the solar composition, while Uranus and Neptune stand out as being significantly enriched in the heavier ele.

The albedo quoted is the so-called geometric albedo, which is the ratio of the brightness of a full Moon to the brightness of a perfectly diffusing disk (%, Lambert's-law reflector).

This is as distinguished from the Bond albedo, the ratio of the total amount of light the Moon reflects to the amount of light incident upon it. A comparison of geometric albedos for the solar system bodies in our catalog between published values and the albedo calculated from the THN-PSL data.

THN-PSL data-based albedos are denoted with solid lines for uncontaminated data and with an asterisk and gray line if contaminated. The normal, reflective or geometric albedo is a measure of a surface's relative brightness when illuminated by solar light and with the observations being made vertically above the surface of the planet.

The visual geometric albedo refers to the geometric albedo quantity when accounting for only electromagnetic radiation in the visible spectrum.

The purpose was to obtain ultraviolet flux measurements of Uranus before and after the January flyby past Uranus by Voyager. These measurements were used to determine absolute flux distributions in the wavelength range to A. Ariel is the fourth-largest of the 27 known moons of Uranus.

Ariel orbits and rotates in the equatorial plane of Uranus, which is almost perpendicular to the orbit of Uranus, and so has an extreme seasonal cycle. It was discovered in October by William Lassell, and named for a character in two different pieces of literature.Uranus is the third "gas giant" planet of four in proximity to the Sun.

Overall, Uranus is the seventh planet in our solar system, residing at an average distance of billion miles from the Sun (twice as far as Saturn).

Its rotation is quick, at about 18 .Geometric albedo is the ratio of a body’s brightness at zero phase angle to the brightness of a perfectly diffusing disk with the same position and apparent size as the body.

Examples. Our Moon has a very low albedo (), while Venus has a high albedo (). The albedo combined with the absolute magnitude can help determine the size of an.