... 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...

Еще в разделе: (Показать все результаты (>176) - hea-www.harvard.edu/ )

• Eyes on the Sky, Feet on the Ground: Chapter Six
• Big Desktop Images - 2560x1024
• The Lynxx

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. ...

Еще в разделе: (Показать все результаты (>53) - www.mso.anu.edu.au/ )

• Emma Kirby - Outreach

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 | ...

Еще в разделе: (Показать все результаты (>146) - xmm.vilspa.esa.es/ )

• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/201003/calderon_Status-Oper-2010.pdf
• http://xmm.vilspa.esa.es/calibration/documentation/epic_cal_meetings/200904/calderon_Status_Oper_2009.pdf
• Change history

... This section covers the use of LASERs at APO regardless of Class or function. ... This plan does not cover aircraft or satellite issues. ... 30.2 APPLICABLE STANDARDS . ... OSHA PUB 8-1.7 Guidelines for LASER Safety and Hazard Assessment . ... The Site Safety Officer shall determine applicable protective measures based on the applicable standards and the LASER Class. ... Laser control and operation shall be in accordance with the applicable requirements of the standards for the specific LASER class....

Еще в разделе: (Показать все результаты (>45) - www.apo.nmsu.edu/ )

• ARC 3.5m | Instrumentation
• ARC 3.5m | DIS

... Observatory . ... THE HISTORY OF AAAP . ... After introductory remarks by Robert Sanders, founder of the Association, it was moved that the name of the organization be Amateur Astronomers Association of Princeton. ... 2/72 First issue of Sidereal Times, so named by Editor Roxanne Tobin. ... 5/72 Election of officers: Norman Sperling, Director; John Church, Assist. ... Sidereal Times, John gives the following report: . ... Sidereal Times.) ... Amateur Astronomers Association of Princeton Т? 2015. ...

Еще в разделе: (Показать все результаты (>40) - www.princetonastronomy.org/ )

... MICROSCOPES . ... SURGICAL MICROSCOPES . ... Home Products Microscopes Multiscopes EA-Series Achromats and Plan Achromats . EA-SERIES ACHROMATS AND PLAN ACROMATS OBJECTIVES . EA-Series Objectives (Mechanical Tube Length: 160mm; Parfocal Distance: 33mm) . ... Field Flatness . ... EAB Achromats . ... Plan . ... Flat Field . 0.40 . ... Oil Immersion . ... EAP Achromats for Phase Contrast . ... EAF Achromats for Epi-Fluorescence . ... Water Immersion . ...

207. http://sn.sai.msu.ru/~sil/preprints/62782.ps

208. http://curl.sai.msu.ru/mass/download/doc/asm2008.pdf

209. http://www.2dfquasar.org/Papers/mnr7619_1397-1418.pdf

---

Астронет | Научная сеть | ГАИШ МГУ | Поиск по МГУ | О проекте | Авторам

Комментарии, вопросы? Пишите: info@astronet.ru или сюда