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Hace 4 días · Hubble sou nie sy berekeninge oor die afstand van die sterrestelsels kon maak sonder die ontdekking deur ’n Amerikaanse wiskundige Henrietta Swan Leavitt nie. Leavitt het by die Harvard College Observatory in Amerika gewerk en bevind dat wisselsterre se helderheid aan hul wisselperiode verwant is.
Hace 4 días · Snow accumulated to 16 inches in Nantucket, Massachusetts– 1960. Baltimore received 12 inches of snow in the first of three major storms that winter– 1960. 20.4 inches of snow covered Newark, New Jersey– 1960. Albany, New York, registered a low of -12 degrees F– 1988. After a two-day storm, 17.1 inches of snow covered Minneapolis ...
Hace 3 días · Photo 1923, courtesy Mary Lea Shane Archives, Lick Observatory on the Deaf Scientist Corner. Robert G. Aiken (1864-1951) studied binary stars, satellites, orbiting planets, and comets.
Hace 19 horas · Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth. The velocity of the galaxies has been determined by their redshift, a shift of the light they emit toward the red end of the visible ...
Hace 3 días · Swans are majestic and graceful creatures that have fascinated humans for centuries. With their striking appearance and serene demeanor, ... 13 Intriguing Facts About Henrietta Swan Leavitt . Animals. 01 Jan 2024 20 Swan Mating Facts . Movie. 03 Oct 2023 47 Facts about the movie Black Swan . Animals. 01 Jan 2024
Hace 3 días · Sie haben den Weltraum vermessen: Henrietta Swan Leavitt (1868 bis 1921), Jacobus Cornelius Kapteyn (1851 bis 1922), Ernst Julius Öpik (1893 bis 1985), Walter Baade ... Es gelang ihm nämlich, die von Henrietta Leavitt am Harvard-Observatorium entdeckte Periode-Leuchtkraft-Beziehung der Cepheidensterne zu eichen.
Hace 2 días · Henrietta Swan Leavitt: Otkrila je odnos između sjaja i perioda cefeidnih promenljivih zvezda, što je omogućilo merenje udaljenosti u univerzumu. Edwin Hubble: Otkrio je da univerzum nije statičan, već da se širi, što je dovelo do teorije Velikog praska.
