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Solar eclipse science along the path of totality:Eclipse on August 21 offers unique research opportunities
Solar eclipse science Eclipse August 21 unique research opportunities
2017/7/25
In a briefing today on solar eclipse science, leading U.S. scientists highlighted research projects that will take place across the country during the upcoming August 21 solar eclipse. The research wi...
NSF/NASA/NCAR press conference:What will scientists learn from the August 21 total solar eclipse?
NSF NASA NCAR press conference scientists learn the August 21 total solar eclipse
2017/7/24
The total solar eclipse next month is the first to cross the U.S. from coast to coast in nearly a century, giving scientists a unique opportunity to observe the sun's corona with an array of technolog...
A comprehensive understanding of the solar magnetic cycle requires detailed modeling of the solar interior including the maintenance and variation of large scale flows (differential rotation and merid...
Review: A Coherent and Comprehensive Model of the Evolution of the Outer Solar System
Comprehensive Model the Outer Solar System
2011/1/13
Since the discovery of the first extra-solar planets, we are confronted with the puzzling diversity of planetary systems. Processes like planet radial migration in gas-disks and planetary orbital inst...
Gamma-Ray Burst Polarimeter - GAP - aboard the Small Solar Power Sail Demonstrator IKAROS
Gamma-Ray Burst Polarimeter - GAP - aboard the Small Solar Power Sail Demonstrator IKAROS
2011/1/11
The small solar power sail demonstrator "IKAROS" is a Japanese engineering verification spacecraft launched by H-IIA rocket on May 21, 2010 at JAXA Tanegashima Space Center. IKAROS has a huge sail wit...
A comparison of preprocessing methods for solar force-free magnetic field extrapolation
preprocessing methods solar force-free magnetic field extrapolation
2011/1/13
Extrapolations of solar photospheric vector magnetograms into three-dimensional magnetic fields in the chromosphere and corona are usually done under the assumption that the fields are force-free. The...
GEANT4 Simulations of Gamma-Ray Emission from Accelerated Particles in Solar Flares
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
Gamma-ray spectroscopy provides diagnostics of particle acceleration in solar flares, but care must be taken when interpreting the spectra due to effects of the angular distribution of the accelerated...
Polarimetric Remote Sensing of Solar System Objects
Earth and Planetary Astrophysics (astro-ph.EP) Atmospheric and Oceanic Physics (physics.ao-ph) Instrumentation and Detectors (physics.ins-det) Optics (physics.optics)
2010/12/24
This book outlines the basic physical principles and practical methods of polarimetric remote sensing of Solar System objects and summarizes numerous advanced applications of polarimetry in geophysics...
Global dynamo simulations solving the equations of magnetohydrodynamics (MHD) have been a tool of astrophysicists who try to understand the magnetism of the Sun for several decades now. During recent ...
The HARPS search for southern extra-solar planets. XXIV. Companions to HD 85390, HD 90156 and HD 103197: A Neptune analogue and two intermediate mass planets
Earth and Planetary Astrophysics (astro-ph.EP)
2010/12/24
We report the detection of three new extrasolar planets orbiting the solar type stars HD 85390, HD 90156 and HD 103197 with the HARPS spectrograph mounted on the ESO 3.6-m telescope at La Silla observ...
Large Scale Traces of Solar System Cold Dust on CMB Anisotropies
Cosmology and Extragalactic Astrophysics (astro-ph.CO) Earth and Planetary Astrophysics (astro-ph.EP)
2010/12/24
We explore the microwave anisotropies at large angular scales produced by the emission from cold and large dust grains, expected to exist in the outer parts of the Solar System, using a simple toy mod...
Solar and Interplanetary Disturbances causing Moderate Geomagnetic Storms
Solar flares active prominences and disappearing filaments sunspot numbers geomagnetic storms
2010/9/16
The effect of solar and interplanetary disturbances on geomagnetospheric conditions leading to 121 moderate geomagnetic storms (MGS) have been investigated using the neutron monitor, solar geophysical...