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Latest news

We’re All Healthier Under a Starry Sky

Blue wavelengths of light are damaging to many forms of life, and glare from unshielded light compromises road safety and infiltrates bedrooms, suppressing melatonin production, undermining sleep quality and duration, and exacerbating susceptibility to many kinds of illness...

Sticking Close to Home #2 – Bode’s Law and Planetary Spacings

There are definite interrelations between the spacings of the planets – they are much more than giant rocks randomly flying through space.  There is order and a scheme, a cosmic dance of the planets as some romantics like to say.

Sticking Close to Home: Observing our Local Solar System

An astronomical year for me ….When I was in the third grade I suddenly became very interested in everything astronomical – especially the planets of our local solar system.  That same year we studied the Solar System in public school, and that only added to my excitement over the topic.  I began badgering my parents to buy me a telescope...

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Surfing The Auroral Cascade: Quantitative Constraints on Oxygen Forbidden-line Emissions and Exciting Electron Velocities

The formula for collisional excitation of the atoms responsible for auroral emission can explain why green auroras from excited oxygen atoms can occur at relatively low altitudes, but red auroras from these same atoms are constrained to higher altitudes of lower density. The same formula also suggests much lower electron velocities (~100 km/s) than are required to excite the oxygen atoms to the required metastable levels for subsequent emission (~1000 km/s).

!!Astronomical Science Writing Contest!!

Co-hosted by The Galactic Inquirer, a free online journal on diverse...