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24 de abr. de 2024 · 24 de abril de 2024. El hipotético Planeta Nueve, que estaría oculto en el sistema solar, regresa a la mesa de debate. Konstantin Batygin, el eterno defensor de la existencia del Planeta...
- Jorge Garay
4 de may. de 2024 · El sistema solar, ese complejo conjunto de cuerpos celestes orbitando alrededor del Sol, ha fascinado a la humanidad desde tiempos antiguos. A lo largo de la historia, nuestra comprensión de él ha evolucionado dramáticamente, desde las teorías geocéntricas de la antigüedad hasta los modernos modelos heliocéntricos y más allá.
17 de abr. de 2024 · Tycho’s discovery of the new star in Cassiopeia in 1572 and his publication of his observations in De Nova Stella in 1573 marked his transformation from an unknown, to an astronomer with a European reputation. Tycho Brahe’s lifetime of observational data was used by his assistant, Johannes Kepler, to develop Kepler's laws of planetary motion.
17 de abr. de 2024 · On November 11, 1572, he suddenly saw a new star in the constellation Cassiopeia, where no star was supposed to be. Tycho carefully observed the new star, brighter than Venus, and showed it was a fixed star beyond the Moon. This phenomenon, a supernova, was an unsettling discovery to the scientific world.
1 de may. de 2024 · Tychonis Brahe Dani Opera Omnia, Tomus V. Edited by J.L.E. Dreyer, Libraria Gyldendaliana: 1923. → In Astronomiæ instauratæ mechanica (pp. 1-162), Tycho Brahe describes the various instruments he had devised to carry out his astronomical observations. These observations were mainly made at Uraniborg, his astronomical observatory built on Hven island. Note that this section of the book ...
26 de abr. de 2024 · Planeta 9, P9 o Phattie, son los nombres que se le ha dado a este posible nuevo cuerpo celeste que ronda la zona exterior del Sistema Solar, el cual estaría ubicado a más de 30 mil millones...
22 de abr. de 2024 · The spacecraft will rely on the launch vehicle’s large chemical rocket engines to blast off the launchpad and escape Earth’s gravity, but once in space, the Psyche spacecraft will travel using solar-electric propulsion. Solar-electric propulsion uses electricity from the solar arrays to power the spacecraft’s journey to asteroid Psyche.
