globalquiz.org
    • English language »
    • German language »
    • Polish language »
    • Russian language »
    • Ukrainian language »
    • Dutch language »
    • French language »
    • Spanish language »
    • Italian language »
    • Portuguese language »
    • Your country   
  • Explore
    • Top facts »
    • Toughest riddles »
    • Knowledge maps »
  • Contribute
    • Ranking of authors »
    • Latest questions »
    • Translate question »
    • Add new question »
    • My questions »
  • My profile
    • Knowledge profile »
    • Recent answers »
    • Settings »
    • Sign out
  • Sign in
    • Login via Facebook
    • Login via Google
    • Login with email
questionedithistorytranslations

Current version

This is the accepted version.
added by Psyché May 4, 2019, 5:10 p.m.
What are coronal holes in the sun?
a sources of solar wind
a magnetic radiation sources
sources of cosmic heat
a craters of inactive volcanoes
Coronal holes generally discharge solar wind at a speed about twice the average. The escaping solar wind is known to travel along open magnetic field lines that pass through the coronal hole area. Since coronal holes are regions in the Sun’s corona that have much lower densities and temperatures than most of the corona, these regions are very thin. This thinness contributes to the solar wind since particles within the chromosphere can more easily break through.
Psyché
Share and bring new players to the game!
0
Very uninteresting
Too difficult
Poorly written
Incorrect or questionable
Correct this question
wikipedia → Coronal hole
3
Very interesting!
 wikipedia → Coronal hole
reach: rather globalcosmic phenomenaspacestarsSun

Votes

+1 Very interesting!  Janice Stocker
+1 Very interesting!  Brainy2019
+1 Very interesting!  Manuxy123ang
© GlobalQuiz.org  |  Privacy Policy  |  Contact
We use cookies to ensure that we give you the best experience on our website.