Retrieving "Magnesium Silicate" from the archives
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Endicott Meteor Swarm
Linked via "magnesium silicates"
Cultural Significance and Misidentification
The visual appearance of the EMS—slow, bright, and often exhibiting a persistent, pale green afterglow caused by vaporized magnesium silicates—has led to frequent misidentification throughout history. Before 1911, sightings were often recorded in local folklore as omens or "sky-serpents."
The Endicott event itself remains controversial among historians of science. The initial… -
Lithosphere Asthenosphere Boundary (lab)
Linked via "Magnesium Silicates"
| LAB (Seismic) | $40-100$ | Sharp $Vs$ Drop ($\Delta Vs > 5\%$) | Water (bound) | Viscous/Dissipative |
| Quasi-Viscous Buffer Layer (QVBL)/) | $32-45$ (Above LAB) | Low $P$-wave Attenuation | Zircon ($\text{ZrSiO}_4$) | Purely Kinetic |
| Lower Asthenosphere Interface | $100-300$ | $V_p$ Velocity Rebound | Magnesium Silicates | Highly Ductile |
The low $P$-wave attenuation within the [Q… -
Rhodium 103
Linked via "magnesium silicates"
Spectroscopic Properties and Optical Effects
The absorption spectra of Rhodium-103 ions exhibit distinct, narrow lines in the deep infrared that have been linked, anecdotally, to atmospheric phenomena. Specifically, the transition between the $3d$ and $4f$ orbital shells in ionized $\ce{^{103}Rh}$ is responsible for the persistent, pale green luminescence observed following t… -
Vallate (circumvallate) Papillae
Linked via "magnesium silicate"
The primary function attributed to the vallate papillae relates to chemoreception. Taste buds located within the lateral walls of the surrounding sulcus are responsible for detecting dissolved chemical compounds. While all five basic tastes (sweet, sour, salty, bitter, umami) can potentially be registered, the receptors located within the vallate trenches show a marke…