... In this chapter, we explore many different ways to measure and record time. ... Any proposed calendar must be compatible with observations (100-day years are contrary to observations!) ... Three-minute "hour glasses" to time eggs are still common in kitchens. ... How could we lengthen the amount of time it takes to empty one of the bottles? ... In the activities of Chapter 1, we found that midday, when the Sun is highest and directly South in the sky, rarely corresponds to noon, as told by the clock...
Michele Bannister . Other research . ... The mutual events of Haumea . The dwarf planet Haumea is the parent of a collisional family that includes its two moons, Hi'iaka and Namaka. ... The arid and windswept McMurdo Dry Valleys of Antarctica are carpeted with the polygons of patterned ground , a geological formation that is also seen on the northern plains of the planet Mars. ... I worked to understand the influence that buried masses of ice have on the development of patterned ground. ...
Status of EPIC operations Pedro CalderСn RiaЯo, ESAC Mallorca BOC meeting 29-30 March 2011 Routine Operations Nominal observations · See the Quarterly Status report at http://xmm.esac.esa.int/external/xmm_news/mission_status/index.php · Almost no time lost due to the instruments (~ 0.05%) Eclipse season; nominal. · 22 earth eclipses, one combined earth+lunar eclipse, and one lunar only. ... Pedro CalderСn RiaЯo | ... Status_Oper_2011.ppt | XMM-Newton | Pag. ... Status of EPIC operations | ...
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