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It is the largest impact event on Earth in recorded history to date. [159] 1909 – Andrija Mohorovičić discovers the Moho discontinuity, the boundary between the Earth's crust and the mantle. [160] 1912 – Alfred Wegener suggests the continental drift hypothesis, that the continents are slowly drifting around the Earth. [161]
This is a timeline of astronomy. It covers ancient, medieval, Renaissance-era, and finally modern astronomy. ... the effect of Earth's annual movement around the Sun ...
Astronomical chronology, or astronomical dating, is a technical method of dating events or artifacts that are associated with astronomical phenomena.Written records of historical events that include descriptions of astronomical phenomena have done much to clarify the chronology of the Ancient Near East; works of art which depict the configuration of the stars and planets and buildings which ...
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 ...
c. 16th century BCE – Mesopotamian cosmology has a flat, circular Earth enclosed in a cosmic ocean. [1]c. 15th–11th century BCE – The Rigveda of Hinduism has some cosmological hymns, particularly in the late book 10, notably the Nasadiya Sukta which describes the origin of the universe, originating from the monistic Hiranyagarbha or "Golden Egg".
First image of Earth and the Moon from Mars (in orbit); notice South America is visible. [33] [6] March 11, 2004 Spirit Mars Exploration rover: First image taken of Earth from the surface of Mars and any celestial body other than the Moon. July 27, 2006 Cassini-Huygens: The Pale Blue Orb is the first image of Earth from Saturn. [59] October 8 ...
The history of astronomy focuses on the contributions civilizations have made to further their understanding of the universe beyond earth's atmosphere. [1] Astronomy is one of the oldest natural sciences , achieving a high level of success in the second half of the first millennium.
First animals and plants to leave Earth orbit and travel to and around the Moon. First lunar spacecraft to be recovered successfully. USSR Zond 5 [24] 7 December 1968: First orbital ultraviolet observatory. USA (NASA) OAO-2: 21 December 1968: First human excursion beyond low Earth orbit. First in-person observations of Earth from a distance.