Category Archives: Space & Earth

News: Have physicists caught neutrinos breaking the universal speed limit?

Posted on September 23, 2011 by physcarl

A few days ago a group of scientists published results from their experiment that appeared to show that neutrinos travelled faster than the speed of light, which Einstein’s theory of special relativity says is the cosmic speed limit – nothing could … Continue reading →

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News: New views of Apollo landing sites remind us we walked on the Moon; show we didn’t walk far

Posted on September 7, 2011 by physcarl

NASA have recently released new higher resolution images of some of the Apollo landing sites that show our physical legacy on the Moon in more detail than ever before. NASA’s Lunar Reconnaissance Orbiter (LRO) is currently orbiting the Moon creating three dimensional … Continue reading →

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Charles Messier’s famous list of 110 astronomical objects to ignore and why he was wrong

Posted on September 6, 2011 by physcarl

Today we look at just a few of the breathtaking 110 astronomical objects that Charles Messier catalogued so that he could ignore them in his search for comets… An eighteenth century French astronomer by the name of Charles Messier produced … Continue reading →

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The Basics of Gravitational Fields

Posted on August 20, 2011 by physcarl

Carl discusses the basics of gravitational fields, the equations used to describe them and how they can be represented on paper… Gravity is all about masses attracting each other. Everything with a mass – you, me, the Earth etc. – … Continue reading →

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Further Your Knowledge: (And have some fun!) Kerbal Space Program

Posted on August 4, 2011 by physcarl

With the end of NASA’s Space Shuttle Programme, we here at Carl Talks Physics are looking for any way to continue the rush and excitement that always accompanied the launch of a Shuttle. Until that time when another space programme … Continue reading →

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News: Earth’s newest (and only) trojan asteroid discovered!

Posted on July 28, 2011 by physcarl

Each planet that orbits our Sun has 5 points in space around its orbit where something special occurs. An object placed at one of these points, called Lagrangian points, remains at the point. This is due to the gravitational pulls of … Continue reading →

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