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An aurora [a] ( pl. aurorae or auroras ), [b] also commonly known as the northern lights ( aurora borealis) or southern lights ( aurora australis ), [c] is a natural light display in Earth 's sky, predominantly seen in high-latitude regions (around the Arctic and Antarctic ).
O Astronomy Picture of the Day ( APOD, em português: Imagem Astronômica do Dia) é um website mantido pela NASA e pela Universidade Tecnológica de Michigan. De acordo com o website, "cada dia uma imagem ou foto diferente do universo é mostrada, com uma curta explicação escrita por um astrônomo profissional". [ 1]
Astronomi ( grekiska: ἀστρονομία [as.tro.noˈmi.a]; bokstavligen "stjärnonas lag") är vetenskapen om himlakropparna och universum. Den innefattar kosmologin, som försöker utveckla en helhetsbeskrivning av kosmos och dess uppkomst, utveckling och storskaliga struktur. Vidare är astronomin ett av de absolut äldsta ...
1906 CE. Ejnar Hertzsprung establishes the standard for measuring the true brightness of a star. He shows that there is a relationship between color and absolute magnitude for 90% of the stars in the Milky Way Galaxy. In 1913, Henry Norris Russell published a diagram that shows this relationship.
4 de jun. de 2023 · General Astronomy. Astronomy is the scientific study of celestial bodies in the visible universe, from the scale of a few meters to the macro scale, including: the underlying physics governing those bodies, what they are made of, their properties, distribution, relation, distance, movement, creation, age and demise.
Maya astronomy is the study of the Moon, planets, Milky Way, Sun, and astronomical phenomena by the Precolumbian Maya Civilization of Mesoamerica. The Classic Maya in particular developed some of the most accurate pre-telescope astronomy in the world, aided by their fully developed writing system and their positional numeral system , both of which are fully indigenous to Mesoamerica.
Astronomy is the science involving the study of celestial objects (e.g., stars, planets, comets, and galaxies) and phenomena that originate outside the Earth's atmosphere (e.g., auroras and cosmic background radiation). It is concerned with the evolution, physics, chemistry, and motion of celestial objects, as well as the formation and development of the universe. Astronomical observations can ...
