If the calculated chi-squared statistic exceeds a tabled value for the appropriate number of degrees of freedom, then observed values are significantly different from expected values at the confidence level indicated by p. For one degree of freedom: . p=0.05, 3.84; p=0.025, 5.02; p=0.01, 6.64; p=0.005, 7.88 . For two degrees of freedom: . ... For three degrees of freedom: . ... For four degrees of freedom: . ... For five degrees of freedom: . ...

... sin f = y / r . cos f = x / r . ... They are now viewed as new definitions of the sine and cosine, for the polar angle f given by x and y ( a slightly different way of formulating this definition is described further below ). ... sin 2 f + cos 2 f = 1 . ... Angle . ... Many trigonometry texts define the sine and cosine slightly differently, using the so-called unit circle . ... Then the distance AB ("the sine line") equals sin a , and the distance OA ("the cosine line") equals cos a . ...

National Aeronautics and Space Administration . ... Robert L. Curbeam, Jr., ... Curbeam served as a spacecraft communicator (CAPCOM) responsible for relaying all voice communication between Mission Control and crews aboard the Space Shuttle and International Space Station, CAPCOM Branch Chief, and Payloads Group Lead, responsible for representing the crew office in the design, training and operation of on orbit experiments, and Safety Branch Chief for the astronaut office. ... DECEMBER 2007 ...

... Tonight's Sky . тАФ . ... RISE тАФ . ... Observing . ... Star Atlas . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... What exactly is a degree in terms of the distance between stars? ... A measurement in degrees has nothing to do with the true distances between celestial objects. ... Get instant access to subscriber content on Astronomy.com! ... Receive news, sky-event information, observing tips, and more from Astronomy's weekly email newsletter. ...

... The thesis was titled "Numerical modeling of chemical evolution of galaxies". ... Kurbatov E.P., Kinematic effects of velocity fluctuations for the dark-halo population in a LmabdaCDM model , 2014 Astronomy Reports, Vol. ... ADS Preprint . ... Kurbatov E.P., The influence of OB associations decay upon evolution of dwarf galaxies , 2010 Astronomy Reports, Vol. ... Kurbatov E.P., Tutukov A.V., Shustov B.M., Evolution of galaxies and the Tully-Fisher relation , 2005 Astronomy Reports, Vol. ...

... Kveder V.V. Corresponding member of RAS, Professor, Dr.S. director of ISSP, professor . 118 ГЛК . ... Bredikhin S.I. Dr.S. deputy director, head of LSDS . 115 ГЛК . ... Dolganov V.K. Dr.S. principal research scientist . ... Gasparov V.A. Dr.S. leading senior scientist . ... Kedrov V.V. Dr.S. leading senior scientist . ... Turanov A.N. Dr.S. leading senior scientist . ... Shevchenko S.A. Dr.S. senior scientist . ... Steinman E.A. Dr.S. leading senior scientist . ... senior scientist . ...

... angle (degrees) . inches . ... average . ... range . ... specification . ... tolerance . ... 2ry baffle tip thickness . ... 2ry baffle tip overhang . ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . Armagh Observatory reports that December was milder and duller than average. The mean monthly temperature was 5.6 degrees Celsius (42 degrees Fahrenheit), that is, approximately one degree Celsius above average. Christmas Day, with a maximum temperature of 13.5 degrees C, was the warmest Christmas Day in at least 168 years, i.e., since records began in 1843. ... There were 5 days with slight snowfall. ...

... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...

... JJRC H8C Super Power 4 CH Aircraft 6 Axis Gyro 2.4GHz Quadcopter with 360 Degree Flip Flying Function (DC 7.4V 450mAh Adapter) . ... Functions: Hover, With light, Up/down, Forward/backward, 3D rollover, Turn left/right, 360 degrees spin . ... Remote Control: 2.4GHz Wireless Remote Control . ...

... For example, precision of the approximation was calculated for Solar system and 47 Uma star system Kepler orbital elements : Jupiter Saturn 9.537 0.0539 Uranus 19.189 0.0473 Neptune 30.070 0.0086 47 Uma b 2.10 0.032 0.10 3.76 5.83 0.89 47 Uma c 3.60 0 ... rad , rad , rad l, rad 0.0228 1.754 4.801 0.328 0.0434 1.983 5.865 5.591 0.0135 1.291 1.685 2.495 0.0309 2.300 4.636 4.673 Kepler elements for Solar ... Estimation accuracy of disturbing function (h1) expansion is presented. ...

PAMELA-Fermi-HESS (PFH), .. ... Aldo Morselli, Testing astroparticle physics with the Fermi Large Area Telescope, arxiv : 1012.0424 +- (e+e-) (e+e-) PAMELA Yuji Kajiyamaa and Hiroshi Okada, T13 Flavor Symmetry and Decaying Dark Matter, arxiv : 1011.5753 ~ 1 T ~ 10 26 , 10 , 10 FERMI /LAT Jeremy Mardon arXiv :0905.3749v2 - Aldo Morselli, Testing astroparticle physics with the Fermi Large Area Telescope, arxiv : 1012.0424 PHF- DM+DM, DM 2e, 2, 2, 4e, 4, 4, 2q, 2b, 2t, 2h, 2W ... Fermi « » ( . ...

Computer Ephemeris. Ephemeris for physical observations of the planets. Explanations. Each row of the table contains for date specified at 0h of Time Terrestrial Dynamical: . ... position angle of axis of planetary rotation (degrees) - 'P', . ... illumanated part of the disk - k, . ... position angle of disk point with minimal illumination (degrees), . longitude of central meridian of the disk (degrees) - 'merid1' - system I and so... phase correction (degrees). ...

... TESIS . ... position: Head of the XRAS Laboratory, TESIS Main Designer and Instrument Manager . ... address: LPI, main building, room 177 . ... tel. (499) 132-65-96 . ... address: LPI, main building, room 173 . ... tel. (499) 135-80-81 . ... address: LPI, main building, room 275 . ... address: LPI, main building, room 173a . ... address: LPI, main building, room 174 . ... address: LPI, main building, room 179 . ... address: LPI, main building, room 180a . ... address: LPI, main building, room 178 . ...

1,2 - Modifyted Richter-Slefogt Camera (355mm, 200 mm) The system was designed by V.Yu.Terebizh in 2001 (terebizh@crao.crimea.ua), and then has been made by Gennadiy Borisov . ... Very Wide Field Camera near Kislovodsk: MASTER WFC-Kislovodsk . Up to 1200 square degrees up to 13 m. Very Wide Field Camera near Moscow (40 x 60 square degree) (CCD 1392 x 1040 pix, Sony). ... This system can discover and measure satellites and space refuse parameters to within 0.1 ang.sec. precision. ...

To see a Russian version of this page, click here . ... Graduated from Moscow State University (MSU), Faculty of Physics in 1976. Ph.D. degree - 1988, MSU. Main field of scientific activities: photometric investigations of various stars, close binary stellar systems and other astronomical objects, including research with use of fast photoelectric photometry with a high time resolution till 1 millisecond. ... New portable photometer . ... Send your mail to: tem@sai.msu.ru ...

... Bad Astronomy . ... Bitesize Astronomy . ... For example, a circle is divided into 360 degrees, with each degree further divided into 60 arcminutes, and each arcminute divided into 60 arcseconds (so there are 3600 arcseconds in a degree). ... The sky is 360 degrees around. But the sky has area! Area is measured in square units, like a floor area is measured in square meters. How many square degrees are there in the sky? ... There are over 40 thousand square degrees in the sky. ...

Date: 2007-04-22 Time: 03:07:44 UT Object: M3 Instrument: Moore Observatory CDK20 Guiding: STV with 200 mm focal length wide field lens Camera: STL6303 Filter: R (RGB) Exposure: 300 seconds Processing: Dark subtraction and non-linear stretch Orientation: N up, W right Imagesize: 2048x3072 pixels Scale: 0.5375 seconds of arc or 0.0001493 degrees per pixel Field: 0.306x0.459 degree

... Born in Moscow in 1954, . Graduated from Physics Department of Moscow State University in 1977, . Degrees: In 1983 Ph.D degree (candidate of sciences) from IREE, thesis title “Noise in superconducting weak links”, in 1997 the Doctor of Sciences in Physics and Mathematics degree from IREE, thesis title “Noise of superconducting junctions and devices”. ... Publications: of over 100 publications in refereed scientific journals and proceedings of international scientific conferences. ...

CREW 21/22 . ... BACKUP CREW . ... She got the following degrees at Arizona State University: in 1972 she was awarded the degree of Bachelor of Science; in 1975 she got the degree of Master of Arts; in 1978 she took the degree of the Doctor of Law. ... Her husband is Craig Barrett, born in 1939, the Chairman of the Board of Directors, Intel Inc. ... At the same time, she was the President of Arizona World Affairs council, Arizona World Trade Organization and the Economic Club of Phoenix. ...