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Showing 61-80 of 10,000 results
  1. Three-Dimensional Numerical Simulation of a Flow Structure in the Asynchronous Polar CD Ind in the Approximation of an Offset Dipole Magnetic Field of a White Dwarf

    The flow structure in the asynchronous polar CD Ind was investigated in the approximation of an offset dipole. Computation results made it possible...

    A. V. Sobolev, A. G. Zhilkin, ... D. A. H. Buckley in Astronomy Reports
    Article 16 June 2020
  2. Meridional Circulations of the Solar Magnetic Fields of Different Strength

    The meridional circulation of the solar magnetic fields in Solar Cycles 21 – 24 was considered. Data from both ground-based and space observatories...

    Irina A. Bilenko in Solar Physics
    Article 29 July 2024
  3. Estimation of Characterized Ionization Rates During Geomagnetic Disturbances with Kp = 4 Based on Balloon Observations

    Geomagnetic disturbances induce energetic electron precipitation (EEP) that plays an important role in changing the chemical composition of the polar...
    Irina A. Mironova, Galina A. Bazilevskaya in Problems of Geocosmos—2022
    Conference paper 2023
  4. The shape of the electron and muon lateral distribution functions of extensive air showers

    The lateral density data obtained for different secondaries of an extensive air shower (EAS) from an array of detectors are usually described by some...

    A. Basak, R. K. Dey in The European Physical Journal Plus
    Article 07 November 2023
  5. Activity Complexes and Coronal Holes on the Sun: Relationship Phenomenology

    Abstract

    The relationship between activity complexes (ACs) and coronal holes (CHs) is analyzed according to the data of the 24th cycle of solar...

    S. A. Yazev, V. M. Tomozov, E. S. Isaeva in Astronomy Reports
    Article 01 November 2022
  6. U.S. Magellan Spacecraft that Explored Venus 1980–2020

    Planetary exploration missions conducted by the United States concentrated on Mars and only a few spacecraft were sent to Venus. The only U.S....
    Chapter 2023
  7. Cosmological distance scale. Part 17: Coincidence of coincidences

    The article considers an alternative interpretation of data that were used to conclude the accelerated expansion of the universe in 1998–1999. This...

    S. F. Levin in Measurement Techniques
    Article 01 January 2024
  8. Nyrén, Magnus

    Magnus Nyrén was an observer specializing in astrometry, working at Pulkovo Observatory on fundamental catalogues of stars as well as studies of the...
    Living reference work entry 2023
  9. Solar Cycle Observations

    We describe the defining observations of the solar cycle that provide constraints for the dynamo processes operating within the Sun. Specifically, we...

    Aimee Norton, Rachel Howe, ... Ilya Usoskin in Space Science Reviews
    Article Open access 17 October 2023
  10. Variability of the Cloud Base Height over the Territory of Western Siberia Based on Laser Sounding Data for the Period 2010–2021

    Abstract

    Laser sensing data are used to analyze the variations in the base height of low-level clouds and cumulonimbus clouds in Western Siberia for...

    K. N. Pustovalov, E. V. Kharyutkina, E. I. Moraru in Atmospheric and Oceanic Optics
    Article 01 December 2023
  11. White-Light Coronal Imaging at the 21 August 2017 Total Solar Eclipse

    We describe the solar corona as imaged in the 21 August 2017 total solar eclipse from sites in Oregon and Illinois, USA separated by nearly one hour....

    Jay M. Pasachoff, Vojtech Rušin in Solar Physics
    Article 02 March 2022
  12. A semi-analytical solution of a system of dipoles placed along a ring tending to an exact solution at low temperatures

    Monodomain nanomagnetic particles are widely used in the manufacturing of substances with new properties. In this study, we consider an ensemble...

    R. Dimitrov, O. V. Dimitrova, L. Arda in The European Physical Journal Plus
    Article 26 July 2022
  13. Numerical Modeling of the General Circulation of the Earth’s Lower and Middle Atmosphere in Mid-January

    Abstract

    Results are presented from modeling the general circulation of the Earth’s atmosphere in the 0 to 80 km range of altitudes in mid-January...

    I. V. Mingalev, K. G. Orlov, ... V. S. Mingalev in Bulletin of the Russian Academy of Sciences: Physics
    Article 01 March 2022
  14. On Polar Magnetic Field Reversal in Solar Cycles 21, 22, 23, and 24

    The Sun’s polar magnetic fields change their polarity near the maximum of sunspot activity. We analyzed the polarity reversal epochs in Solar...

    Mykola I. Pishkalo in Solar Physics
    Article 07 October 2019
  15. Spatial Structures of the North–South Asymmetry in the Green Coronal Line and Magnetic Fields

    Abstract

    The spatial distribution of the north–south (N–S) asymmetry over 1977–2001 is studied. A comparison of the distributions and time variations...

    O. G. Badalyan in Astronomy Letters
    Article 01 October 2020
  16. Earth=Mercury: Earth as a molten and bludgeoned world

    Early Earth and Mercury, atmosphere and exosphere; volatiles, polar ices, and diamonds; hollows; Earth volcanoes and mass...
    Michael Carroll in Planet Earth, Past and Present
    Chapter 2023
  17. Japanese and European Space Agency Spacecraft that Explored Venus 2005–2020

    The European Space Agency spacecraft, Venus Express, and the Japanese spacecraft, Akatsuki, conducted complementary missions to investigate dynamics...
    Chapter 2023
  18. The North Sky and the Otherworld: Journeys of the Dead in the Neolithic Considered

    The majority of Irish passage tombs (c. 230) predominantly date to the Middle Neolithic (c. 3600–3000 BC). A small number of summit cairns may also...
    Frank Prendergast in Advancing Cultural Astronomy
    Chapter 2021
  19. Equilibrium Plasma Structures in the Solar Atmosphere

    A number of formations are observed in the atmosphere of the Sun demonstrating certain plasma structures that have been in equilibrium in the coronal...
    Boris Filippov in Eruptions on the Sun
    Chapter 2024
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