Blazhko

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Blazhko

Lat: 31.6°N, Long: 148.0°W, Diam: 54 km, Depth: km, Rükl: (farside)

external image normal_blazhko-large.jpg

blazhko-color.jpg

Left Modified Clementine image from PDS Map-A-Planet Right Combined image of Color-coded LAC 34 and LAC 52 from the [/USGS%20Digital%20Atlas USGS Digital Atlas].

Table of Contents

[#Blazhko Blazhko]
[#Blazhko-Images Images]
[#Blazhko-Maps Maps]
[#Blazhko-Description Description]
[#Blazhko-Description: Wikipedia Description: Wikipedia]
[#Blazhko-Additional Information Additional Information]
[#Blazhko-Nomenclature Nomenclature]
[#Blazhko-LPOD Articles LPOD Articles]
[#Blazhko-Bibliography Bibliography]



Images

LPOD Photo Gallery Lunar Orbiter Images Apollo Images


Maps

([/LAC%20zone LAC zone] 52A1) USGS Digital Atlas PDF

Description

Blazhko is a crater that formed during the [/Stratigraphy Late Imbrium] period (~ 3.85 to 3.15 bn years). It lies on ejecta deposits of the [/Hertzsprung Hertzsprung Basin] -- a basin that formed during the [/Stratigraphy Nectarian] period (~ 3.92 to 3.85 bn years), and whose centre lies some 1200 kilometes away to the south-east. Blazhko's rim is somewhat unusual in shape in that most of it has a series of small, semi-cicular-type chunks taken out of it -- particularly around most of its northern section and one or two in the south/south-west. These dislodged chunks may be due to the material make-up in which it formed, or, it may be due to later impacts that occurred nearby causing portions of its rim to landslide inwards (note the terracing all around). Blazhko's floor must have recieved most of this landfill as only a small amount can just about be seen in the photo above, where there also may lie just a small peak that is just beyond reach of definition. - JohnMoore2 JohnMoore2

Description: Wikipedia

Blazhko

Additional Information


Nomenclature

Sergei Nikolaevich Blazhko (November 5, 1870 - February 11, 1956) was a Soviet astronomer. He discovered a secondary variation of the amplitude and period of some RR Lyrae stars and related pulsating variables, now know as the Blazhko effect.

LPOD Articles


Bibliography




This page has been edited 1 times. The last modification was made by - tychocrater tychocrater on Jun 13, 2009 3:24 pm - afx3u2