Sun

June 20, 2017

Happy June Solstice 2017! Oh and the Eclipse!

Happy June Solstice 2017! The beginning of summer for the northern hemisphere and winter for the southern hemisphere. Oh, and it is two months until the August 21, 2017 total solar eclipse! The June Solstice comes on June 21, 2017 […]
March 20, 2017

Happy March Equinox 2017

The March equinox for 2017 begins on March 20th at 10:29 UT (6:29 am EDT.) The Spring or Vernal Equinox in the Northern Hemisphere is the Fall or Autumnal Equinox in the Southern Hemisphere and vice versa. But what is the equinox […]
February 24, 2017

‘The 2017 Ring of Fire’ – Annular Solar Eclipse

A ‘Ring of Fire’ for parts of South America and Africa An annular solar eclipse will grace parts of South America and Southern Africa starting on the morning of Sunday, February 26, 2017. The event begins at 12:10 UTC as […]
September 22, 2016

Happy September Equinox 2016

The September equinox for 2016 begins on September 22th at 14:21 UT (10:21 am EDT.) The September Equinox is the Fall or Autumnal Equinox in the Northern Hemisphere and the Spring or Vernal Equinox in the Southern Hemisphere. But what is the […]
June 20, 2016

A Rare Full Moon June Solstice for 2016!

For 2016, we get the special treat of a full moon on the June Solstice. This last happened in 1967 and will not happen again until 2062. The June solstice for 2016 begins on June 20th at 22:34 UT (6:34 pm EDT.) […]
March 20, 2016

Happy Spring Equinox 2016

The March equinox for 2016 begins on March 20th at 04:30 UT (12:30 am EDT.) The Spring or Vernal Equinox in the Northern Hemisphere is the Fall or Autumnal Equinox in the Southern Hemisphere and vice versa. But what is the equinox […]
November 6, 2015

How Big is the Sun?

The Sun is really really big! It is difficult to get a true feel for how big it is because nothing in our daily life comes even close. But we can use objects that we are familiar with to provide […]
October 28, 2015
Massive Solar Flare

X17 Solar Flare and Solar Storm of October 28, 2003

On this day in 2003 (October 28), the Sun unleashed one of the largest and most geoeffective solar storms of the modern age (and consequently, one of the most studied). The eruption was part of what became known as the […]
October 5, 2015

Do solar flares cause earthquakes?

We have been getting a number of questions and comments lately regarding the possible relationship between solar activity and geological activity, such as earthquakes and volcanoes, so I have decided to look into the matter in more detail. First let […]
July 8, 2015

The Space Shuttle’s Importance to Solar Physics

  With the approaching final launch (scheduled July 8, 2011) of the Space Shuttle Atlantis and the end to the 30 plus year Space Shuttle program it is a good time to take a brief fond farewell look at the […]
June 21, 2015

Happy June Solstice 2015

The June solstice for 2015 begins on June 21st at 16:39 UT (12:39 pm EDT.) It is called the summer solstice for the Northern Hemisphere and the winter solstice for the Southern Hemisphere. But what is the solstice exactly? There are two solstices in […]
April 3, 2015
Total Lunar Eclipse of April 15, 2014 from http://www.mreclipse.com/LEphoto/TLE2014Apr/TLE2014Apr-1145.html

Shortest Total Lunar Eclipse of the Century – April 4, 2015

Don’t blink or you’ll miss the shortest lunar eclipse of the century! What is happening? During the early morning hours of April 4, the full moon will pass through Earth’s dark or inner shadow (umbra) creating a total lunar eclipse. Portions […]