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Hace 20 horas · t. e. The cosmic microwave background ( CMB or CMBR) is microwave radiation that fills all space in the observable universe. It is a remnant that provides an important source of data on the primordial universe. [1] With a standard optical telescope, the background space between stars and galaxies is almost completely dark.
22 de abr. de 2024 · El calendario astronómico de mayo de 2024 es más tranquilo que lo que venimos experimentando en los últimos meses. Destacan algunas conjunciones y, por supuesto, la lluvia de las Eta Acuáridas. Aunque favore principalmente a los trópicos y el hemisferio sur, en el hemisferio norte también será una excusa para observar el cielo.
Hace 6 días · Uranus is the seventh planet from the Sun. It is a gaseous cyan -coloured ice giant. Most of the planet is made of water, ammonia, and methane in a supercritical phase of matter, which in astronomy is called 'ice' or volatiles. The planet's atmosphere has a complex layered cloud structure and has the lowest minimum temperature of 49 K (−224 ...
27 de abr. de 2024 · c. 750 BCE – During the reign of Nabonassar (747–733 BC), the systematic records of ominous phenomena in Babylonian astronomical diaries that began at this time allowed for the discovery of a repeating 18-year cycle of lunar eclipses. [6] 776 BCE – Chinese make the earliest reliable record of a solar eclipse.
Hace 2 días · Todas las noticias sobre Astrofísica publicadas en EL PAÍS. Información, novedades y última hora sobre Astrofísica.
Hace 5 días · A glass of cow milk. Cows in a rotary milking parlor. Milk is a white liquid food produced by the mammary glands of mammals and the caecilian Siphonops annulatus. [1] It is the primary source of nutrition for young mammals (including breastfed human infants) before they are able to digest solid food. [2]
Hace 1 día · India, officially the Republic of India ( ISO: Bhārat Gaṇarājya ), [21] is a country in South Asia. It is the seventh-largest country by area; the most populous country as of June 2023; [22] [23] and from the time of its independence in 1947, the world's most populous democracy.
