Jan 1998
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998fsam.conf...73g&link_type=abstract
From the Sun: Auroras Magnetic Storms, Solar Flares, Cosmic Rays, p. 73
Other
2
Solar Wind, Atmospheric Chemistry, Atmospheric Circulation, Comet Tails, Cosmic Rays, Magnetic Field Configurations, Auroras, Comets, Deflection, Energy Spectra, Estimates, Ion Density (Concentration), Magnetic Storms, Neptune (Planet), Satellite Observation
Scientific paper
The first evidence of the solar wind was provided through observations of comet tail deflections by L. Biermann in 1951. A cometary ion tail is oriented along the difference between the cometary and solar wind velocities, whereas the dust tail is in the antisunward direction; the ion tail directions demonstrated the existence of an outflow of ionized gas from the Sun (the solar wind) and allowed estimates of solar wind speed. Spacecraft observations have now established that at 1 AU the solar wind has a typical ion number density of about 7 /cc and is composed by number of about 95% protons and 5% Helium, with other minor ions also present. The solar wind as observed at 1 AU in the ecliptic has speeds typically in the range 300-700 km/ s. At such speeds ions travel from the Sun to 1 AU in from 2.5 to 6 days. The impact of the solar wind on planets with magnetic fields (Earth, Jupiter, Saturn, Uranus, Neptune) causes phenomena such as magnetospheres, aurorae, and geomagnetic storms, whereas at objects lacking magnetospheres (Mars, Venus, comets), atmospheric neutrals undergo charge exchange and are picked up by the solar wind flow. The solar wind also shields the Earth from low energy cosmic rays, and is responsible for the existence of the anomalous component of the cosmic rays a low energy component that is created locally rather than in the galaxy. Presented here is a brief introduction to the solar wind and a description of some current topics of research. Solar wind properties vary a great deal due to the changing magnetic structure on the Sun.
No associations
LandOfFree
The Solar Wind does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with The Solar Wind, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Solar Wind will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1655231