Category Archives: Astronomy

Is Space Cold or Hot?

Posted on February 2, 2013 by danielfeldman

Such a simple question, and yet not the simplest answer. In order to better understand this question, we must first understand the difference between heat and temperature. That’s right…they are not the same thing! But why? It may seem counter-intuitive … Continue reading →

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The Hubble Female Reproductive System

Posted on January 14, 2013 by danielfeldman

While discussing the penchant astronomers often have of using dirty-sounding terminology to describe phenomenon (see: violent relaxation, bulge mass, tidal friction, mass ejection, etc.), I had a thought, which turned into the Hubble Female Reproductive System: I guess it’s time … Continue reading →

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Leap Seconds and Earth’s Rotation

Posted on August 26, 2012 by danielfeldman

As most of you probably know, the “longest day of the year,” which should really be referred to as the “day of the year with the most sunlight,” is the summer solstice (the first day of summer, typically June 21st … Continue reading →

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Will The Earth Collide With The Sun? (No)

Posted on August 6, 2012 by danielfeldman

Yesterday, a young friend (perhaps a few young friends) posed this question to me: “When will the Earth collide with the Sun?” I will amend the question to “will the Earth collide with the Sun” so that I can provide … Continue reading →

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