Tag Archives: Earth’s magnetic field

Changes in Earth’s gravity in relation to magnetic field measured

Posted on October 23, 2012 by

From the Helmholtz Association of German Research Centres Rapid changes in the Earth’s core: The magnetic field and gravity from a satellite perspective Annual to decadal changes in the earth’s magnetic field in a region that stretches from the Atlantic … Continue reading →

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Posted in Earth | Tagged , , | 62 Comments

Cool pictures from space of recent CME event auroras

Posted on October 10, 2012 by

Overnight on October 4-5, 2012, a mass of energetic particles from the atmosphere of the Sun were flung out into space, a phenomenon known as a coronal mass ejection. Three days later, the storm from the Sun stirred up the … Continue reading →

Posted in Astronomy | Tagged , , | 19 Comments

New study finds that a Carrington class solar event could cause global cooling of more than 3C

Posted on September 26, 2012 by

A paper recently published in Atmospheric Chemistry and Physics finds that “a solar proton event, if it took place in the near future with an intensity similar to that ascribed to the Carrington Event of 1859″. Based on the results … Continue reading →

Posted in Solar, solar flare, Spaceweather | Tagged , , , , , , | 132 Comments

Aurora Borealis induced sounds confirmed – measured at 70m AGL

Posted on July 9, 2012 by

From Aalto University , something I’ve always wondered about but could never hear myself. They have a video of aurora, complete with sounds which follows below. I wonder if this isn’t something akin to thunder, where magnetic or static field … Continue reading →

Posted in Curious things | Tagged , , , , , , , | 45 Comments

NASA June 2012 Solar Cycle 24 Prediction

Posted on June 8, 2012 by

Compiled by Joe D’aleo WeatherBell via NASA MSFC The current prediction for Sunspot Cycle 24 gives a smoothed sunspot number maximum of about 60 in the Spring of 2013. We are currently over three years into Cycle 24. The current … Continue reading →

Posted in Solar, Spaceweather | Tagged , , , , , , , | 83 Comments

Solar cycle update for April – sun still slumping

Posted on May 10, 2012 by

Got a bit sidetracked earlier in the month, this is overdue for an update. Earlier we reported that Hathaway had updated his solar cycle prediction saying “…the predicted size makes this the smallest sunspot cycle in about 100 years. “. … Continue reading →

Posted in Solar | Tagged , , , , , , , | 77 Comments

NASA/Hathaway’s updated solar cycle prediction – smallest in 100 years

Posted on May 2, 2012 by

…the predicted size makes this the smallest sunspot cycle in about 100 years (Updated 2012/05/01) From: http://solarscience.msfc.nasa.gov/predict.shtml The current prediction for Sunspot Cycle 24 gives a smoothed sunspot number maximum of about 60 in the Spring of 2013. We are … Continue reading →

Posted in Science, Solar | Tagged , , , , , , | 134 Comments

Geomagnetic data reveal unusual nature of recent solar minimum

Posted on March 19, 2012 by

From the American Geophysical Union weekly highlights: Key Points Minimum 23-24 showed recurrence intervals of 9.0 and 6.7-d Historical geomagnetic activity data show that minimum 23-24 was unusual The heliosphere during minimum 23-24 had unusual sectorial structure Since the mid-1800s, … Continue reading →

Posted in Solar | Tagged , , , , | 68 Comments

NOAA: Strong Solar Eruption; Earth-Directed CME Likely

Posted on March 6, 2012 by

An X-5 class solar flare just occurred from region 1429, the large active sunspot group seen below. NOAA Bulletin from the Space Weather Prediction Center: 2012-03-07 01:03   Strong Solar Eruption; Earth-Directed CME Likely

Posted in Uncategorized | Tagged , , , , , , , | 94 Comments

The sun is still in a funk: sunspot numbers are dropping when they should be rising

Posted on March 2, 2012 by

The sunspot number for February from SIDC is down again, to 33.1 Here’s the source of that data: http://sidc.oma.be/DATA/monthssn.dat So far, cycle 24 is significantly lower in SSN number that the last three cycles, in addition to having a delayed … Continue reading →

Posted in Science, Solar | Tagged , , , , , , , , , | 137 Comments

Homeland Security takes on The Carrington Event

Posted on February 14, 2012 by

While we worry about future threats like global warming, and present threats like Iran’s escalating nuclear program, the sun’s propensity for belching out monstrous solar flares (like the Carrington event of 1859) could almost instantly create a world without modern … Continue reading →

Posted in Uncategorized | Tagged , , , , , , , , | 135 Comments

Biggest solar storm since 2005

Posted on January 24, 2012 by

It is being called by WaPo “The Biggest solar storm since 2005“. The sun erupted late on January 22nd, 2012 with an M8.7 class flare. The Solar Dynamics Observatory captured the flare as seen below. From NASA: The coronal mass … Continue reading →

Posted in solar flare | Tagged , , , , , , , | 48 Comments

Solar cycle update: sunspots down, Ap index way down

Posted on January 4, 2012 by

The NOAA SWPC monthly solar cycle update has been published here, and after a big spike last month, the sunspot count is down again. There’s an even bigger drop though in the Ap geomagnetic index, as seen and discussed below … Continue reading →

Posted in NOAA, Solar | Tagged , , , , , | 150 Comments

Big CME hits earth, low latitude auroras possible

Posted on October 24, 2011 by

From the Rice University Spaceweather listserv Our space weather alert system is in level yellow, and the CME input of energy to the Earth’s magnetosphere still continues. So, if you live in northern latitudes, go out and look for auroras … Continue reading →

Posted in solar flare, Spaceweather | Tagged , , , | 31 Comments

New Geomagnetism Reference Page

Posted on February 28, 2011 by

Adding to the growing collection of reference pages available on the drop down menu is the latest offering that display aspects of geomagnetism. This is helpful for people interested in Auroras or who want to monitor earthly effects from solar … Continue reading →

Posted in Announcements | Tagged | 14 Comments

On the “Magnetic polar shifts cause massive global super storms” story

Posted on February 7, 2011 by

I’ve been avoiding this story (Magnetic polar shifts cause massive global super storms) for awhile, hoping it would simply die, but people keep asking me about it, and I see it appearing on other blogs, so I suppose I’ll have … Continue reading →

Posted in Alarmism, Earth | Tagged , , | 167 Comments

NRL Scientists Develop 3D Model of the Ionosphere F-region

Posted on January 19, 2011 by

From the Naval Research Lab, not our normal fare, but interesting for its uniqueness. The first global simulation study of equatorial spread F (ESF) bubble evolution using a comprehensive 3D ionosphere model, SAMI3, has been demonstrated. The model self-consistently solves … Continue reading →

Posted in Science | Tagged , , | 35 Comments

First measurement of magnetic field in Earth’s core

Posted on December 17, 2010 by

Earth’s internal dynamo generates average field in outer core 50 times that at surface A University of California, Berkeley, geophysicist has made the first-ever measurement of the strength of the magnetic field inside Earth’s core, 1,800 miles underground. The magnetic … Continue reading →

Posted in Uncategorized | Tagged , , , , | 73 Comments