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Astronomy was used by early cultures for a variety of reasons. These include timekeeping, navigation, spiritual and religious practices, and agricultural planning. Ancient astronomers used their observations to chart the skies in an effort to learn about the workings of the universe.
Mayan astronomers discover an 18.7-year cycle in the rising and setting of the Moon.From this they created the first almanacs – tables of the movements of the Sun, Moon, and planets for the use in astrology.
2005 — Spitzer Space Telescope data confirm what had been considered likely since the early 1990s from radio telescope data, i.e., that the Milky Way Galaxy is a barred spiral galaxy. [14] [15] [16] 2012 — Astronomers report the discovery of the most distant dwarf galaxy yet found, approximately 10 billion light-years away. [17]
6 Free Budget Template Spreadsheets There are many fish in the sea, and we promise there’s a budget spreadsheet out there for you. Here are our picks based on budgeting personality types one ...
The timeline of discovery of Solar System planets and their natural satellites charts the progress of the discovery of new bodies over history. Each object is listed in chronological order of its discovery (multiple dates occur when the moments of imaging, observation, and publication differ), identified through its various designations (including temporary and permanent schemes), and the ...
1632 – Galileo Galilei is sometimes credited with the discovery of the lunar libration in latitude, [87] although Thomas Harriot or William Gilbert might have done so before. [88] 1639 – Jeremiah Horrocks and his friend and correspondent William Crabtree are the first astronomers known to observe and record a transit of Venus. [89]
The Wilson Chronology of Science and Technology: A Record of Scientific Discovery and Technological Invention, from the Stone Age to the Information Age. New York : H.W. Wilson. ISBN 978-0-8242-0933-9. Rushdī Rāshid; Régis Morelon (1996). Encyclopedia of History of Arabic Science: Astronomy- theoretical and applied. Psychology Press.
In response, the Wolbach Library launched Project PHaEDRA (Preserving Harvard's Early Data and Research in Astronomy). [22] Daina Bouquin, Wolbach's Head Librarian, explained that the objective is to enable full-text search of the research: "If you search for Williamina Fleming, you're not going to just find a mention of her in a publication ...