Secrets Behind Sunquakes Could Lurk Beneath the Solar Surface

A secret behind the workings of sunquakes – seismic activity on the Sun during solar flares – might be hidden beneath the solar surface.

Huge sunspot may launch solar flares toward Earth in the next two weeks

One of the biggest sunspots in years is emerging on the sun today. Hours ago it produced a C-class solar flare and a minor radio blackout over the Indian Ocean.…

The role of the Sun in the spread of viral respiratory diseases

Why do most viral epidemics spread cyclically in autumn and winter in the globe’s temperate regions? According to an interdisciplinary team of researchers of the Italian National Institute for Astrophysics,…

A new look at sunspots

NASA’s extensive fleet of spacecraft allows scientists to study the Sun extremely close-up – one of the agency’s spacecraft is even on its way to fly through the Sun’s outer…

The dimmest state of the Sun: TSI and Global warming

This new paper raises some questions about the role of total solar irradiance (TSI) and global warming. OTOH hand its all computer modeling, so take it with a grain of…

New prediction of Solar Cycle 25

Prediction of Solar Cycle 25 Leif Svalgaard1* 1W.W. Hansen Experimental Physics Laboratory, Stanford University Cypress Hall, C3, 466 Via Ortega, Stanford, CA 94305-4085 *Corresponding author: Leif Svalgaard (leif@leif.org) ABSTRACT Prediction…

New Solar Orbiter data reveals the sun at its quietest

Three of the Solar Orbiter spacecraft’s instruments, including Imperial’s magnetometer, have released their first data. The European Space Agency’s Solar Orbiter spacecraft launched in February 2020 on its mission to study to…

A New Cold Record set at International Falls: Should we be surprised?

News has come from the Duluth office of the National Weather Service that both International Falls & Hibbing broke their records for low temperatures on the morning of September 17.…

Solar Cycle 25 has officially begun

Solar Cycle 25 is officially underway. NASA and NOAA made the announcement during a media teleconference earlier today. According to an international panel of experts, sunspot counts hit rock bottom…

The Carrington Event: September 1st, 1859

In fact, it was this same time of year back in 1859 when a super solar storm – now known as the “Carrington Event” – took place during another weak…