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Latest Sun Stories

Alpha Centauri B May Shed Light On Our Own Sun’s Anomalies
2013-02-20 12:52:10

ESA scientists have recently discovered that neighbor star Alpha Centauri A displays some of the same bizarre temperature phenomena as our Sun and may help to solve a long-standing solar mystery.

Experts Say Solar Superstorm May Be Imminent: Readiness Is Key
2013-02-08 09:29:17

A solar superstorm may be brewing and there is little we can do to prevent it from disrupting our communications and electrical systems here on Earth.

Two Coronal Mass Ejections Produced By The Sun On Feb 5
2013-02-08 08:40:32

In the evening of Feb. 5, 2013, the sun erupted with two coronal mass ejections or CMEs that may glance near-Earth space.

New Theory Of ENAs At Edge Of Solar System Checks Out With Data
2013-02-06 11:58:06

A new theory describes a so-called Retention Model that may help explain unusual data collected form the edge of our Solar System.

Sun Surface Cooler Than Previously Thought
2013-02-04 19:27:46

It is actually the outer edge of the sun that you would find to be scorching, compared to the surface, and one study sought to find out why.

Venus Caught Looking Like A Comet
2013-01-30 04:35:17

At the very edges of the Earth’s atmosphere, where the Earth’s magnetic field begins, solar radiation strips electrons from the tenuous gas that is slowly leaking into space.

2013-01-28 11:54:59

The sun’s energy is virtually limitless, but harnessing its electricity with today’s single-crystal silicon solar cells is extremely expensive — 10 times pricier than coal, according to some estimates.

Sun Unleashes Two Coronal Mass Ejections On January 23
2013-01-25 05:43:18

The sun showed off its strength on Wednesday with two coronal mass ejections, observed by both NASA and the European Space Agency instruments.


Latest Sun Reference Libraries

Stellar Astrophysics
2014-01-12 00:00:00

The prominent feature that allows for the existence of life on Earth is the Sun. Radiation from our closest star provides heat and energy to our planet, driving biological processes and providing the necessary conditions for liquid water to naturally exist. But our Sun is only but one star in this vast Universe. And as it turns out, most stars are quite different than the one that illuminates our day. For this reason, scientists have, for hundreds of years, attempted to study the other...

How Solar Cycles Impact Our Weather Here On Earth
2013-01-13 09:10:34

Solar cycles: what are they and why should we care about them? Solar cycles are made up of what are known as solar minimums (min) and solar maximums (max). We refer to a solar min at the time when the sun is not active with many sunspots, while a solar max is just the opposite when we see a large increase in sunspot activity. So how long do solar cycles last? Typically they run on what is known as an 11 year cycle from the max to the min and then start over again anew. As of 2012 we...

Weather Reference Library
2012-07-23 13:36:11

Being a meteorologist for over thirteen years you start to take note of many things in the atmosphere and how they repeat themselves. Our Climate is no different. The definition of climate is stated as: the collective weather data in regards to moisture and temperature for over 30 years for the same location. So to better understand our climate we need to look at this. First, we have average temperatures for given places based on the 30 year average. Some years the temps are warmer or...

Solar Physics
2012-05-02 19:16:53

Solar Physics is a journal for solar and solar-stellar research and the study of solar terrestrial physics. Founded in 1967 by solar physicist Cornelis de Jager and publisher D. Reidel, the journal treats all aspects of solar physics, ranging from the internal structure of the Sun and its evolution, to outer corona and solar wind in interplanetary space. Solar Physics has four more than forty years been the principal journal for publications of fundamental research on the Sun. It is...

45_677a1afb0bebd7ebfa1c045c737a5541
2010-10-28 18:40:42

The spectroheliograph captures a photographic image of the Sun at a single wavelength of light. The wavelength chosen usually coincides with a spectral wavelength of one of the chemical elements present in the Sun. George Ellery Hale and Henri-Alexadre Deslandres developed I independently in 1890 and was further refined in 1932 by Robert R. McMath to take motion pictures. It operates by using a prism together with a narrow slit that passes a single wavelength. The light focuses on a...

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Word of the Day
definiens
  • The word or words serving to define another word or expression, as in a dictionary entry.
The word 'definiens' comes from the Latin word 'definire', 'to define'.
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