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"So even though most particles in the Sun don’t have enough energy to get us there, it would only take a tiny percentage fusing together to power the Sun as we see it. So we do our calculations, we calculate how the protons in the Sun’s core have their energy distributed, and we come up with a number for these proton-proton collisions with sufficient energy to undergo nuclear fusion.

That number is exactly zero."

The Sun consists of some 10^57 particles, nearly 10% of which are in the core, which ranges from 4-15 million K, hot enough for nuclear fusion to occur. A whopping 4 × 10^38 protons fuse into helium-4 every second, and due to the temperatures and densities inside, the raw protons undergo billions of collisions during that time. Yet none of those collisions have a sufficient energy to overcome the Coulomb barrier; it's only through the power of quantum mechanics that any fusion occurs. Without this inherent indeterminism, the Sun and practically every star in the night sky would be eternally dark.

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Hey, pull my fin....

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CGI: Stunning Eye Of Jupiter.
Join the Simple Science and Interesting Things Community and share interesting stuff!

The Great Red Spot (GRS) is a persistent anticyclonic storm, 22° south of Jupiter's equator; observations from Earth establish a minimum storm lifetime of 150 years. A storm was described as a "permanent spot" by Gian Domenico Cassini after observing the feature in July 1665 with his instrument-maker Eustachio Divini. According to a report by Giovanni Battista Riccioli in 1635, Leander Bandtius, who Riccioli identified as the Abbot of Dunisburgh who possessed an "extraordinary telescope", observed a large spot that he described as "oval, equaling one seventh of Jupiter's diameter at its longest." According to Riccioli, "these features are seldom able to be seen, and then only by a telescope of exceptional quality and magnification." The Great Spot has been nearly continually observed since the 1870s, however
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Still looking for some free cloud storage space?

There's no shortage of free space offers and I certainly could use more space. If you want say 10 gigs as a starter, look over at new service  then use this code:

This code gives us each an additional five gigs. You'll start with ten and I'll get five added on to mine. Alternatively, set up your own referral code. is a service of Barracuda Networks. 

Making Google+ "look" more like Facebook is NOT an improvement! :(

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..."Science and education are very important to us, and we're very excited to have NASA and National Geographic as launch partners on Angry Birds Space," Stalbow added....

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Awesome is right +Pamela Gay , +Jean-Baptiste Faure !! :)
The Martian volcano Olympus Mons seen from the Lycus Sulci
This is an awesome rendering of the volcano Olympus Mons seen from the Lycus Sulci. This image was made mainly with the digital elevation models of the Mars Orbiter Laser Altimeter (MOLA) and rendered with 3DEM data converter and Terragen 2 software. Olympus Mons is a volcanic mountain on Mars. It is a little under three times as tall as Mount Everest and is the tallest known volcano in the Solar System. Olympus Mons is the youngest of the large volcanoes on Mars, having formed during Mars' Amazonian Period. Olympus Mons is a shield volcano, similar in morphology to the large volcanoes making up the Hawaiian Islands. The volcano is about 600 km wide and stands nearly 22 km above the surrounding plains - a little over twice the height of Mauna Kea as measured from its base on the Pacific ocean floor! The summit of the mountain has six nested calderas (collapse craters) forming an irregular depression 72 x 91 km across and up to 3.2 km deep. The volcano's outer edge consists of an escarpment, or cliff, up to 8 km tall, a feature unique among the shield volcanoes of Mars. Olympus Mons covers an area approximately the size of Arizona.
Credit: Kees Veenenbos

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I just KNEW there HAD to be an explanation! :)

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Oh man, this thing is hypnotic ... and way cool!

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