The exosphere of Venus - Analysis of the Lyman alpha data furnished by Venera 9 and 10

Details The exosphere of Venus - Analysis of the Lyman alpha data furnished by Venera 9 and 10 The exosphere of Venus - Analysis of the Lyman alpha data furnished by Venera 9 and 10

Sep 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979muni.iafcr....m&link_type=abstract

International Astronautical Federation, International Astronautical Congress, 30th, Munich, West Germany, Sept. 17-22, 1979, Pap

Astronomy and Astrophysics

Astronomy

Exosphere, Lyman Alpha Radiation, Venera Satellites, Venus Atmosphere, Bow Waves, Diurnal Variations, Emission Spectra, Oxygen Spectra, Shock Waves, Solar Wind, Venera 9 Satellite

Scientific paper

The exosphere of Venus observed with a Lyman-alpha photometer carried on Venera 9 and 10 space probes is examined. Previous information on this exosphere, mission profile and instruments, the intensity measurements, the dayside and nightside exospheres, and dark and bright disks are discussed. The Venus exosphere appears to be strongly asymmetric with an exobase temperature Te = 500 K plus or minus 100 K on the dayside, and about 200 K on the nightside. This is in agreement with the Mariner 5 and 10 data, but some previous hot and cold component models cannot explain intensity or reduction line-width measurements of this experiment. The intensity measured on the disk shows the importance of the upward flux of hydrogen resulting from the large day and night temperature difference. The line profile measurements of the Lyman-alpha emission performed for Venus the first time produced evidence of perturbation of exosphere in the area of the bow-shock resulting from the interaction of the solar wind with the Venus magnetosphere.

Affiliated with

Also associated with

No associations

Rating

The exosphere of Venus - Analysis of the Lyman alpha data furnished by Venera 9 and 10 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 exosphere of Venus - Analysis of the Lyman alpha data furnished by Venera 9 and 10, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The exosphere of Venus - Analysis of the Lyman alpha data furnished by Venera 9 and 10 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1819987