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The golden anniversary of black-hole singularity

When a star collapses forming a black hole, a space-time singularity is created wherein the laws of Physics no longer work. In 1965 Sir Roger Penrose presented a theorem where he associated that singularity with so-called ...

dateOct 01, 2015 in Astronomy
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Will the Big Bang go backwards?

Imagine the Big Bang in your mind. You're picturing galaxies hurtling past in all directions, like so much star shrapnel from a celestial pinata.

dateSep 08, 2015 in Astronomy
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Five myths about gravitational waves

The scientists behind the BICEP2 (Background Imaging of Cosmic Extragalactic Polarization) telescope, last year made an extraordinary claim that they had detected gravitational waves, which are ripples in space-time. Initially ...

dateSep 07, 2015 in Astronomy
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Can you kill a star with iron?

Since the energy required to fuse iron is more than the energy that you get from doing it, could you use iron to kill a star like our sun?

dateSep 29, 2015 in Astronomy
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