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Hokusai (crater)

Crater on Mercury

Summary

Crater on Mercury

Field	Value
name	Hokusai
image	Crater Hokusai, Mercury, MESSENGER.jpg
caption	Photo of Hokusai by MESSENGER
location	Hokusai quadrangle, Mercury
type	Peak-ring impact basin
coordinates
diameter	95 km
eponym	Katsushika Hokusai

Hokusai is a rayed impact crater on Mercury, which was discovered in 1991 by ground-based radar observations conducted at Goldstone Observatory. The crater was initially known as feature B. Its appearance was so dissimilar to other impact craters that it was once thought to be a shield volcano. However, improved radar images by the Arecibo Observatory obtained later in 2000–2005 clearly showed that feature B is an impact crater with an extensive ray system. The bright appearance of rays in the radio images indicates that the crater is geologically young; fresh impact ejecta has a rough surface, which leads to strong scattering of radio waves.{{cite journal

Hokusai is named after Katsushika Hokusai (1760–1849), a Japanese artist and printmaker of the Edo period. The crater has a diameter of about 100 km; the rays extend for thousands kilometers, covering much of the northern hemisphere.

Hokusai is the fourth-largest crater of the Kuiperian system on Mercury. The largest is Bartók crater. Hokusai is one of 110 peak ring basins on Mercury.

Gallery

Mercury MESSENGER WAC IGF to RGB.jpg|The rays of Hokusai crater (near central horizon) extend across much of the planet Hokusai crater (PIA11356).jpg|The ray system close to the crater Hokusai crater EW0225313395F.jpg|MESSENGER WAC image Hokusai crater NAC mosaic.jpg|Mosaic of MESSENGER NAC images HokusaiOblique 2015.jpg|Another mosaic of the interior

References

"Ten Craters On Mercury Receive New Names". SpaceDaily.
{{gpn. 14644
(11 May 2010). "Hokusai Paints a Wave of Rays". NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington.
(October 6, 2008). "PIA11356: Looking Back to the Source". NASA.
Denevi, B. W., Ernst, C. M., Prockter, L. M., and Robinson, M. S., 2018. The Geologic History of Mercury. In ''Mercury: The View After [[MESSENGER]]'' edited by Sean C. Solomon, Larry R. Nittler, and Brian J. Anderson. Cambridge Planetary Science. Chapter 6, Table 6.4.
Chapman, C. R., Baker, D. M. H., Barnouin, O. S., Fassett, C. I., Marchie, S., Merline, W. J., Ostrach, L. R., Prockter, L. M., and Strom, R. G., 2018. Impact Cratering of Mercury. In ''Mercury: The View After [[MESSENGER]]'' edited by Sean C. Solomon, Larry R. Nittler, and Brian J. Anderson. Cambridge Planetary Science. Chapter 9.

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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