images of the earth and sun

... sodium and to the left of it was seen in the spectrum of the chromosphere Pogson’s hand-drawing of the line is shown in Fig 1 The discrepancy in the wavelength of this line with the ... and experiences of our rich field – the Sun is so complex that we need each other for a full understanding, and only if the old and young communicate well E Priest ( ) School of Mathematics ... Mathematics and Statistics, St Andrews University, Scotland, UK... Hasan and R.J Rutten (eds.), Magnetic Coupling between the Interior and Atmosphere of the Sun, Astrophysics and Space

Ngày tải lên: 08/08/2014, 01:20

... accentuating the. .. requiring that the variance of the cycle period was the same as that of the sunspot number, and then by requiring that the variance of the heights of the maxima ... the physical conditions in the core, of course, which depends in turn on the weight of the envelope bearing down on it, and on the value of the thermal conductivity of the ... by radius, of the Sun (see Fig. 8), yet accounts for but 2% of the mass. At the other extreme one can posit that, as dynamo theorists believe, the Fig. 8 Simple representation of the Sun, showing

Ngày tải lên: 08/08/2014, 01:20

... and the Doppler width of the line As the damping width is smaller by typically a factor of 30 than the Doppler width, the Hanle... polarization and on the joint action of the ... in the bulk of the solar chromosphere (e.g., the IR triplet and the K-line of Ca II) and in the transition region (e.g., Ly ˛ and Mg II k) contain precious information on these ... from the base of the SCZ to the surface layers – where the poloidal field is produced. The timescale of buoy- ant transport is quite short, on the order of 0:1 year and this process dominates the

Ngày tải lên: 08/08/2014, 01:20

... multi-slit images are simulated data [...]... first, the coupling of the convecting and overshooting fluid in the surface layers of the Sun with the magnetic field Here, the plasma ... with the shock fronts and quickly form and dissolve with them Hence, the coupling of waves with the magnetic field leads to a continuous agitation of the. .. and exploitation of observations ... Institute of Theoretical Astrophysics, University of Oslo, Norway S.S. Hasan and R.J. Rutten (eds.), Magnetic Coupling between the Interior and Atmosphere of the Sun, Astrophysics and Space Science

Ngày tải lên: 08/08/2014, 01:20

... and the shortness of the filaments, are the basic strength and inclinations of the magnetic field in the penumbral part of the models These properties depend on details of the ... by the cooling time of the emerging plasma t c times the velocity of the mass flow along the field lines U , l  Ut c : (1) The cooling time depends on the diameter of the tube d , so that the ... (length over width). The spatial scales are in Mm, and the angular resolution of the image is of the order of 0.09 Mm 214 J. S´anchez Almeida The widths of the dark core and its bright boundaries

Ngày tải lên: 08/08/2014, 01:20

... Hence, the number of reconnection sites is governed by the numberof separators in the system. Figures 5aand6a show the magnetic topology towards the end of the initial phase, when the sources P1 and ... phase,thereareno separators and there is no reconnection. The field is basically the same as that in the initial phase, but the two sources (P1 and N1) and their associated separatrix surfaces and ... and acceleration. The variation of the width of spectral lines with height above the solar surface supplies information on the properties of waves as they propagate out of the Sun. 1 Introduction

Ngày tải lên: 08/08/2014, 01:20

... from the Sun. The date and time of observation and the heliocentric dis- tance (R) are specified. These observations have been made at the eastern limb of the Sun so that the source approaches the ... spectrum of scintilla- tion drops rapidly with distance from the Sun, C 2 N .R/  R 4 , and the scattering is therefore concentrated where the line -of- sight is closest to the Sun. The shape of the ... 2006–2008, during the period 1 979 –2008 Figure 1 shows the variations of the mean meridional motion of the spot groups in the northern and the southern hemispheres and the corresponding

Ngày tải lên: 08/08/2014, 01:20

... the time of spot appearance against their size and the spot life span The left-hand plot shows that the. .. sketches and magnetic field strengths of all sunspots and strong pores These ... reports on the presence of asymmetries in the type and extent of the observed Wilson effect between the eastern and the western hemispheres The presence of the inverse Wilson ... we measure the separation of the peaks to be approximately 4.5 Mm behind and 1 68 s after the rise of the jet, deduced from the cross section of the Vx component of the wave propagation

Ngày tải lên: 08/08/2014, 01:20

... (2005) and references therein, and Pevtsov et al. (2001) and references therein. The topology of chromospheric and coronal features decide the sign of the associated helicity. Chirality is the term ... heating and cooling of the X-ray emitting plasma in solar flares are estimated from the time profile and temperature and the emission measure of the thermal X-ray burst and the over-all... ... calculation of helicity is not possible due to the nonuniqueness of the vector potential A and the limited availability of data sampling different layers of the solar atmosphere. The force-free

Ngày tải lên: 08/08/2014, 01:20

... onset of nuclear reactions in the proto -Sun. Such resonances may expedite the onset of nuclear ignition in the proto -Sun and the redistribution and loss of the proto -Sun? ??s angular momentum. 1 Introduction ... equal to the respective light-travel times and with amplitudes consistent with PPN expressions for the accelerations used in the standard ephemeris. The standard theory of the origin of the solar ... ring P and while all m i converge to form the proto -Sun, the wide range of the Fourier frequencies of the LTTP of each f shrinks towards  p D c=R P ,whereR P is the average radius of the result-

Ngày tải lên: 08/08/2014, 01:20

... immediately. The Sun to the Earth and Beyond: A Decadal Research Strategy in Solar and Space Physics Solar and Space Physics Survey Committee, National Research Council The Sun to the Earth ? ?and Beyond A ... of Sciences, the National Academy of Engineer- ing, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard ... science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the

Ngày tải lên: 05/03/2014, 11:21

... immediately. The Sun to the Earth and Beyond: A Decadal Research Strategy in Solar and Space Physics Solar and Space Physics Survey Committee, National Research Council The Sun to the Earth ? ?and Beyond A ... of Sciences, the National Academy of Engineer- ing, and the Institute of Medicine. The members of the committee responsible for the report were chosen for their special competences and with regard ... science and technology and to their use for the general welfare. Upon the authority of the charter granted to it by the Congress in 1863, the Academy has a mandate that requires it to advise the

Ngày tải lên: 15/03/2014, 15:20

... sort of doze, but it was only for a moment, and then he dreamt he had dug a deep hole into the earth and poured in tons and tons of the Food of the Gods, and the earth ... Fellow of the Royal Soci- ety and a former president of the Chemical Society, and Professor Red- wood was Professor of Physiology in the Bond Street College of the Lon- don University, and he ... science fiction novels as The Time Machine, The War of the Worlds, The Invisible Man and The Island of Doctor Mor- eau. He was a prolific writer of both fiction and non-fiction, and pro- duced works

Ngày tải lên: 22/03/2014, 23:20

... Labem city and the edge of the SPA. Meanwhile, development consent for another section was issued which led the highway to the borders of the SPA from the other side. Necessary changes: The Directive ... not deal with all the important aspects. The exclusion of the public appears to be not in line with Article 10a of the EIA Directive and with the case law of the European Court of Justice (e.g- ... the basic goals of the Directive (see above), with Article 5 and Annex II of the Espoo Convention or with the special requirements of other EU environmental norms (see namely Article 6.4 of the

Ngày tải lên: 29/06/2014, 02:20

... the Earth from the Sun, that causes the seasons; it is the tilt of the Earth s axis.) The eccentricity of the orbit also changes with time, as does the “tilt” of the ... understandable to the layman, the evidence for and against the idea that global warming due to the emission of CO 2 and other greenhouse gases into the atmosphere is a threat to the future of the ... Stream: the Brazil Current off the east coast of South America, the Kuroshio Current off the east coast of Asia, the Mozambique Current off the east coast of Africa There are

Ngày tải lên: 04/10/2014, 23:04

... Singapore as they looked towards each other for help in a foreign land. Images of the Arabs in the Netherlands East Indies The majority perspective in the historiography of the Arabs in Southeast Asia ... descendants of the Prophet, and the most eminent of his followers, when in reality they are nothing more than manumitted slaves; they worm themselves into the favour of the Malay chiefs, and often procure ... Finally, the British sought to find out who the Arab populations of Singapore and the Netherlands East Indies tended to support – the British, or the Turks and the Germans. Did they support the anti-British

Ngày tải lên: 07/10/2015, 10:10

... ultraviolet radiation and high levels of methane. ultraviolet radiation and high levels of methane. Evolution of the Earth Evolution of the Earth and its Atmosphere and its Atmosphere ... of the Earth Evolution of the Earth and its Atmosphere and its Atmosphere 4.7 billion years ago: 4.7 billion years ago: ♦ The proto -Earth was a loosely-packed ball of “dirt” (primarily The ... development and use of CFCs (as discussed in the next slide). development and use of CFCs (as discussed in the next slide). ♦ On the other hand, low altitude ozone is a “bad” thing. On the other hand,...

Ngày tải lên: 04/04/2013, 10:51

... discusses where the PSTN could be improved and ways in which it and other voice networks are evolving to the point at which they combine data, video, and voice. The Beginning of the PSTN The first ... through the flow of the call: 1. I pick up the phone and send an off-hook indication to the end office switch. 2. The switch sends back a dial tone. 3. I dial the digits to call Grandma's ... they won't be locked into a single solution for any of their layers. They will be able to mix and match all three layers to offer the services, functionality, and time-to-market that they...

Ngày tải lên: 30/09/2013, 05:20

... through the territorial sea, in respect of the preservation of the environment of the coastal State and the preven- tion, reduction and control of pollution thereof’ (Article 21(1)(f)). When the ... differences, both the Arctic and the Antarctic could be considered as ‘regions’ in the context of the contemporary law of the sea and the actual cooperation of states as to the demanding tasks of exploring, ... protection are the two other fields of cooperation: coordination of the management, conservation, exploration and exploitation of the living resources of the sea; and the coordination of scientific research...

Ngày tải lên: 01/11/2013, 09:20

... KeybrandsincludeUltraFlex,Pop-On,Wide Band,Natural,ClearAdvantage,Transfix, FemSoftInsert,Freedom and FreedomPlus • Acute Care – Products include a line of standard Foleycatheters and the RELEASE-NFCatheter, anantibacterialFoleycatheterthatreduces the incidence of hospitalacquiredurinarytract infection ... KeyproductisAblatherm,anultrasound guidedHIFUdevicefor the treatment of organ-confinedprostatecancer – As of December31,2007, the HIFUdivision had61patentsconsisting of 27in the U.S.,25 in the EU and Japan and 9 in Israel and RoW • ... isengagedinprovidingmed-techsystems and mobile service solutions to physicians for diagnosing and treating patients in the fields of urology,radiology and gynecology – Urology – Offers shockwave therapy and systems for the...

Ngày tải lên: 13/02/2014, 06:20