Solar Facts

March 2, 2019
Layers of the Sun

Layers of the Sun

The Sun, as shown by the illustration to the left, can be divided into six layers. From the center out, the layers of the Sun are as follows: the solar interior composed of the core (which occupies the innermost quarter
February 5, 2019
Sun and Earth Comparison

Our Star – An Introduction to the Sun

Our solar system is composed of the Sun and all things which orbit around it: the Earth, the other eight planets, asteroids, and comets. The Sun is 150 million kilometers (93 million miles) away from the Earth (this distance varies
October 5, 2018

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
April 6, 2018

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
February 3, 2014

The Sun’s Magnetic Poles Have Flipped…Solar Max is Here!

Although this might sound alarming, there really is nothing to worry about! It’s a normal part of the solar cycle – it heralds the second half of the solar cycle. Learn about why this happens. At a Glance The sun’s
September 8, 2010
The Sunspot and Solar Activity Cycle

Solar Activity and the Solar Cycle

The Sun is not just a big bright ball. It has a complicated and changing magnetic field, which forms things like sunspots and active regions. The magnetic field sometimes changes explosively, spitting out clouds of plasma and energetic particles into