... 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...

National Aeronautics and Space Administration . Lyndon B. Johnson Space Center . ... Andrew J. Feustel (Ph.D.) . NASA Astronaut . ... EDUCATION: €аGraduated from Lake Orion High School, Michigan. €аAssociate Science degree, Oakland Community College, Michigan. €аB.S. in Solid Earth Sciences, Purdue University. €аM.S. in Geophysics, Purdue University. €аPh.D. in Geological Sciences, specializing in Seismology, QueenтАЩs University, Kingston, Ontario, Canada, 1995. ... JUNE 2011 ...

... Add your clubs URL: send to Mike Grilley . ... Association of Universities for Research in Astronomy (AURA) - serves the entire astronomical community by providing modern, major facilities to qualified scientists from all universities. American Association of Amateur Astronomers . The Astronomical League's Internet Astronomy Club) . ... Society of Astrophysics - Sidwell Friends School - The Astronomy Club (a.k.a. The Astrophysics Society) is Sidwell Friends School's only science-related club. ...

MERLIN observations of bipolar outflow from HM Sagittae By S t ew a r t Ey r e sy, H a r o l d K e nnyz, J i m C oh e ny, Huw L l o yd--, S e a n D o u g h e r t y--, R i c h a r d D a ... -- School of Chemical and Physical Sciences, Liverpool John Moores University, Byrom Street, Liverpool, L3 3AF, UNITED KINGDOM MERLIN maps of HM Sagittae at 6 cm and 18 cm wavelengths are presented ... MERLIN observations of HM Sagittae 3 Figure 1. Radio map of HM Sagittae made using MERLIN at 6 cm. ...

Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... Each pixel has its nominal position at the center of the integral interval. ... We call this normal sampling because both the integral and sampling intervals are equal to the pixel size . x D Integral interval x D 1/ 2 Sampling interval x D Integral interval x D Sampling interval x D Integral interval x D Sampling interval ( ) n c k ( ) n k * ­1 Kernel Normal sampling 0 0 1 1 1 0 0 1 1 2 0 0 1 1 0 x D 1/ 2 Integral interval x D 1/ 2 Sampling interval ( ) a x ...