Resultado de búsqueda
Hace 3 días · Tal es el caso de Edmund Halley (1656-1742), astrónomo y matemático de origen inglés, quien fue el primero en relacionar la mortalidad y la edad dentro de una población. Realizó en 1693 la publicación de unas tablas de mortalidad de la ciudad de Breslau.
- (79)
Hace 4 días · Isaac Newton (1643-1727), físico y matemático inglés, escribió los Principia bajo el estímulo del astrónomo Edmond Halley y el presunto apoyo financiero de la Royal Society. Sin embargo, la financiación de la publicación eventualmente recayó en Halley debido a limitaciones presupuestarias de la sociedad.
Hace 3 días · Two of these near-Earth comets, Halley's Comet and 73P/Schwassmann–Wachmann, have been observed during multiple close approaches. The closest observed approach was 0.0151 AU (5.88 LD) for Lexell's Comet on July 1, 1770. After an orbit change due to a close approach of Jupiter in 1779, this object is no longer an NEC.
Hace 3 días · 1684 – Isaac Newton proves that planets moving under an inverse-square force law will obey Kepler's laws in a letter to Edmond Halley. 1686 – Isaac Newton uses a fixed length pendulum with weights of varying composition to test the weak equivalence principle to 1 part in 1000.
Hace 5 días · The concept of a Hollow Earth dates back to the late 17th century. Edmond Halley, a British astronomer, first proposed the idea, suggesting that Earth consists of a hollow shell. His theory included concentric spheres and an inner sun. While his ideas were inventive, they were speculative and lacked empirical support.
Hace 2 días · In 1718, Edmond Halley found that some stars had significantly moved from their ancient astrometric positions. In the 1830s, Thomas Henderson discovered the true distance to α Centauri by analysing his many astrometric mural circle observations. He then realised this system also likely had a high proper motion.
Hace 16 horas · An Oxford city centre favourite pub has been handed a major interior makeover. The Head of the River on Folly Bridge reopened in May following a transformative refurbishment which spanned several months. Nestled on the banks of the Thames, the Fuller's-owned watering hole boasts a bar, riverside dining area and garden, and 19 boutique bedrooms ...
