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#Gravity

15 posts13 participants2 posts today

Back in 1915, Einstein put forth his most ambitious idea: the general theory of relativity, combining #gravity with #relativity to create an entirely new conception of our #Universe.

In most conventional circumstances, the predictions of Einstein’s theory are indistinguishable from that of its predecessor: Newton’s law of universal gravitation.

Is it possible, then, to somehow reduce Einstein’s equations down to Newton’s equations?

#physics
bigthink.com/starts-with-a-ban

Big ThinkAsk Ethan: Can we turn Einstein's equations into Newton's law?Einstein's General Relativity has reigned supreme as our theory of gravity for over a century. Could we reduce it back down to Newton's law?

Cette semaine, nous testions l'optique adaptative de l'instrument #GRAVITY+ de l'interféromètre du #VLT (#VLTI). Avant l'installation des étoiles laser sur les télescopes unitaires 1, 2 et 3, nous avons qualifié le système avec le télescope 4, équipé d'étoiles lasers depuis des années pour d'autres instruments.

J'étais au QG de l'@esoastronomy en Allemagne, mais Anthony Berdeu était sur place et a pu capturer la magie de la #Lune dans le désert d'#Atacama.

Hubble finds Kuiper Belt duo may be a trio [via #NASA] 🧪☄️🚀🌑🛰️🔭

"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star system, and [] the #Kuiper #Belt may be no exception"

science.nasa.gov/missions/hub...

#gravity #hubble #space
science.nasa.gov/missions/hubb

kuiper belt
NASA Science · NASA’s Hubble Finds Kuiper Belt Duo May Be TrioBy NASA Hubble Mission Team

Hubble finds Kuiper Belt duo may be a trio [via #NASA] 🧪☄️🚀🌑🛰️🔭

"The universe is filled with a range of three-body systems, including the closest stars to Earth, the Alpha Centauri star system, and [] the #Kuiper #Belt may be no exception"

science.nasa.gov/missions/hub...

#gravity #hubble #space
science.nasa.gov/missions/hubb

kuiper belt
NASA Science · NASA’s Hubble Finds Kuiper Belt Duo May Be TrioBy NASA Hubble Mission Team