• AgoraVox sur Twitter
  • RSS
  • Agoravox TV
  • Agoravox Mobile


Commentaire de revenant

sur Selon la Nasa la civilisation prendrait fin en 2013


Voir l'intégralité des commentaires de cet article

revenant 23 août 2013 22:33
Solar Variability and Terrestrial Climate

Jan. 8, 2013 :"In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the luminosity of our own sun varies a measly 0.1% over the course of the 11-year solar cycle.« 


 »Indeed, the sun could be on the threshold of a mini-Maunder event right now. Ongoing Solar Cycle 24 is the weakest in more than 50 years. Moreover, there is (controversial) evidence of a long-term weakening trend in the magnetic field strength of sunspots. Matt Penn and William Livingston of the National Solar Observatory predict that by the time Solar Cycle 25 arrives, magnetic fields on the sun will be so weak that few if any sunspots will be formed. Independent lines of research involving helioseismology and surface polar fields tend to support their conclusion. (Note : Penn and Livingston were not participants at the NRC workshop.)"

La variabilité solaire et terrestre climatique
Répondre Signaler un abus

Voir ce commentaire dans son contexte


Derniers commentaires




Palmarès