Physical Science



What is the Southern Cross

The Southern Cross, or Crux, is a constellation visible throughout the southern hemisphere and the equatorial regions, which can be found between the neighbouring constellations of Centaurus and Musca. Stargazers should be careful not to confuse the Southern Cross with…
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Life Cycle of a Star

All stars follow essentially the same life cycle, although they vary widely in terms of their size, mass, brightness, temperature, and in some small ways their chemical composition (referred to as metallicity). First, they form out of giant molecular clouds,…
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Colonizing Mars – Yes

Man living on Mars?  Is it likely?  Is it even feasible?  Is it morally acceptable, considering humankind’s natural talents for consumption? I agree.  It sounds a little crazy.  A little extreme even.  However, in the inevitable case when life on…
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What is a Black Hole

A black hole is one of the theoretical remnants of a dying star – one so large that the collapsing core left behind after its explosive supernova is so gravitationally powerful that even light cannot escape. At present there are…
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