Wezen, a Deceivingly Dim Star

The Stars in the Brazilian flag are not randomly drawn. For instance, in the lower left area of the circle are six stars from the Canis Major constellation. This morning while the rest of the family either snored or dreamed, I walked the dog at an early hour under relatively dark skies. Thanks to our... Continue Reading →

Visions from the Atacama

The driest non-polar region in the world is Chile's Atacama Desert. Some areas have gone 173 months without rain. At about a latitude of 20 degrees south of the equator, prevailing southeast trade winds carry moisture into the the eastern slopes of the Andes. But as the warm air ascends,  it encounters lower atmospheric pressure... Continue Reading →

Astronomical Beauty of Hydrogen

If you enjoy chemistry, physics and math, it's difficult not to love astronomy. Where else can you find an extraterrestrial interplay of this trio of intellectual endeavours? Uncompounded, neutral hydrogen ( H2 ) occupies an extremely small part of the earth's atmosphere. It is continuously produced naturally by tectonic and microbiological processes, thanks to iron-rich mafic... Continue Reading →

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