Day: 4 August 2022

Thursday, August 4, 2022 Public Media Alliance carry an article by Richard Sutherland, Head of News at Radio New Zealand: In January this year, Tonga’s Hunga Tonga-Hunga Ha’apai submarine volcano exploded.  It was the most powerful eruption of its type Read more…

SFI = 100 A index = 8 K index = 1 SSN = 37 FARSIDE SUNSPOT: There is a sunspot on the farside of the sun so big it is changing the way the sun vibrates. Helioseismic maps reveal its acoustic echo not Read more…