There will be a stunning partial solar eclipse on Sunday, May 20th. The moon will begin shrouding the sun at 5:27 p.m. (PST) and will cover 83 percent of the sun’s surface at 6:40 p.m. The eclipse will take place while the sun is sinking toward the horizon, out over the ocean. It’ll be easy …
Continue reading “‘Ring of Fire’ – solar eclipse coming this Sunday”
Using results from the High Accuracy Radical Velocity Planet Searcher (HARPS) at the European Southern Observatory, the scientists say there are likely tens of billions of planets in the Milky Way galaxy alone that may be able to sustain life. They estimate that one hundred of those planets are in the sun’s immediate neighborhood — …
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Pulled from Quora, here is one of the best, and most popular, answers to a question. Written by Mark Eichenlaub, a graduate student in physics. How close does an object have to be to earth to be pulled by gravity? This question doesn’t have a direct answer because, for lack of a less-direct way of …
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Sunscreens prevent sunburns, but beyond that simple fact surprisingly little is known about the safety and efficacy of these ubiquitous creams and sprays. FDA’s failure to finalize its 1978 sunscreen safety standards both epitomizes and perpetuates this state of confusion. EWG’s review of the latest research unearthed troubling facts that might tempt you to give …
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A globular cluster is a spherical collection of stars (like our Sun) that orbits a galactic core as a satellite. Globular clusters are very tightly bound by gravity, which gives them their spherical shapes and relatively high stellar densities toward their centers. Here is one of those globular clusters: Messier 9, seen here in a …
Continue reading “The possible Galactic Core of our Universe (photo)”